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13001213311020 = 223251129226423081
BaseRepresentation
bin1011110100110001010010…
…1100110111100000101100
31201000220101220120010002200
42331030110230313200230
53201002441101423040
643352401442021500
72511210120516324
oct275142454674054
951026356503080
1013001213311020
114162868a78280
12155b880047890
1373401716052c
1432d39521c284
151782d0e51630
hexbd314b3782c

13001213311020 has 144 divisors (see below), whose sum is σ = 44505720997920. Its totient is φ = 3043126195200.

The previous prime is 13001213311019. The next prime is 13001213311043. The reversal of 13001213311020 is 2011331210031.

13001213311020 is a `hidden beast` number, since 1 + 300 + 1 + 2 + 1 + 331 + 10 + 20 = 666.

13001213311020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×130012133110203 (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13001213310984 and 13001213311002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113154121 + ... + 113268960.

It is an arithmetic number, because the mean of its divisors is an integer number (309067506930).

Almost surely, 213001213311020 is an apocalyptic number.

13001213311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13001213311020 is an abundant number, since it is smaller than the sum of its proper divisors (31504507686900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13001213311020 is a wasteful number, since it uses less digits than its factorization.

13001213311020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226423136 (or 226423131 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13001213311020 its reverse (2011331210031), we get a palindrome (15012544521051).

The spelling of 13001213311020 in words is "thirteen trillion, one billion, two hundred thirteen million, three hundred eleven thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 29 30 33 36 44 45 55 58 60 66 87 90 99 110 116 132 145 165 174 180 198 220 261 290 319 330 348 396 435 495 522 580 638 660 870 957 990 1044 1276 1305 1595 1740 1914 1980 2610 2871 3190 3828 4785 5220 5742 6380 9570 11484 14355 19140 28710 57420 226423081 452846162 679269243 905692324 1132115405 1358538486 2037807729 2264230810 2490653891 2717076972 3396346215 4075615458 4528461620 4981307782 6566269349 6792692430 7471961673 8151230916 9962615564 10189038645 12453269455 13132538698 13585384860 14943923346 19698808047 20378077290 22415885019 24906538910 26265077396 29887846692 32831346745 37359808365 39397616094 40756154580 44831770038 49813077820 59096424141 65662693490 72228962839 74719616730 78795232188 89663540076 98494040235 112079425095 118192848282 131325386980 144457925678 149439233460 196988080470 216686888517 224158850190 236385696564 288915851356 295482120705 361144814195 393976160940 433373777034 448317700380 590964241410 650060665551 722289628390 866747554068 1083434442585 1181928482820 1300121331102 1444579256780 2166868885170 2600242662204 3250303327755 4333737770340 6500606655510 13001213311020