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13124424203220 = 223511127156578671
BaseRepresentation
bin1011111011111100010010…
…1001000111101111010100
31201110200102200120221122110
42332333010221013233110
53210012310044000340
643525135515031020
72523131316025431
oct276770451075724
951420380527573
1013124424203220
114200045345210
12157b72713b470
1374282162b0c5
14335322b86b88
1517b5e2c57680
hexbefc4a47bd4

13124424203220 has 96 divisors (see below), whose sum is σ = 40404813152256. Its totient is φ = 3156625987200.

The previous prime is 13124424203171. The next prime is 13124424203221. The reversal of 13124424203220 is 2230242442131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124424203221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78205516 + ... + 78373155.

It is an arithmetic number, because the mean of its divisors is an integer number (420883470336).

Almost surely, 213124424203220 is an apocalyptic number.

13124424203220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13124424203220 is an abundant number, since it is smaller than the sum of its proper divisors (27280388949036).

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

13124424203220 is a wasteful number, since it uses less digits than its factorization.

13124424203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156578821 (or 156578819 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 13124424203220 its reverse (2230242442131), we get a palindrome (15354666645351).

The spelling of 13124424203220 in words is "thirteen trillion, one hundred twenty-four billion, four hundred twenty-four million, two hundred three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 127 132 165 220 254 330 381 508 635 660 762 1270 1397 1524 1905 2540 2794 3810 4191 5588 6985 7620 8382 13970 16764 20955 27940 41910 83820 156578671 313157342 469736013 626314684 782893355 939472026 1565786710 1722365381 1878944052 2348680065 3131573420 3444730762 4697360130 5167096143 6889461524 8611826905 9394720260 10334192286 17223653810 19885491217 20668384572 25835480715 34447307620 39770982434 51670961430 59656473651 79541964868 99427456085 103341922860 119312947302 198854912170 218740403387 238625894604 298282368255 397709824340 437480806774 596564736510 656221210161 874961613548 1093702016935 1193129473020 1312442420322 2187404033870 2624884840644 3281106050805 4374808067740 6562212101610 13124424203220