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13212101310 = 2351743976211
BaseRepresentation
bin11000100111000000…
…01010101010111110
31021002202220021202120
430103200022222332
5204024244220220
610023005103410
7645260002542
oct142340125276
937082807676
1013212101310
11566a9832a1
122688857b66
131327305135
148d49bba22
15524d9ba40
hex31380aabe

13212101310 has 128 divisors (see below), whose sum is σ = 34714842624. Its totient is φ = 3204956160.

The previous prime is 13212101291. The next prime is 13212101311. The reversal of 13212101310 is 1310121231.

It is a happy number.

It is a super-2 number, since 2×132121013102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13212101310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212101311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2124105 + ... + 2130315.

It is an arithmetic number, because the mean of its divisors is an integer number (271209708).

Almost surely, 213212101310 is an apocalyptic number.

13212101310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13212101310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17357421312).

13212101310 is an abundant number, since it is smaller than the sum of its proper divisors (21502741314).

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

13212101310 is a wasteful number, since it uses less digits than its factorization.

13212101310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6378.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13212101310 its reverse (1310121231), we get a palindrome (14522222541).

The spelling of 13212101310 in words is "thirteen billion, two hundred twelve million, one hundred one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 17 30 34 43 51 85 86 97 102 129 170 194 215 255 258 291 430 485 510 582 645 731 970 1290 1455 1462 1649 2193 2910 3298 3655 4171 4386 4947 6211 7310 8245 8342 9894 10965 12422 12513 16490 18633 20855 21930 24735 25026 31055 37266 41710 49470 62110 62565 70907 93165 105587 125130 141814 186330 211174 212721 267073 316761 354535 425442 527935 534146 602467 633522 709070 801219 1055870 1063605 1204934 1335365 1583805 1602438 1807401 2127210 2670730 3012335 3167610 3614802 4006095 4540241 6024670 8012190 9037005 9080482 10241939 13620723 18074010 20483878 22701205 25906081 27241446 30725817 45402410 51209695 51812162 61451634 68103615 77718243 102419390 129530405 136207230 153629085 155436486 259060810 307258170 388591215 440403377 777182430 880806754 1321210131 2202016885 2642420262 4404033770 6606050655 13212101310