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13127470460 = 225133298759
BaseRepresentation
bin11000011100111010…
…10100110101111100
31020212212122121001122
430032131110311330
5203341113023320
610010343130112
7643211441426
oct141635246574
936785577048
1013127470460
115627129945
122664443938
131312913000
148c766b816
1551c730d25
hex30e754d7c

13127470460 has 48 divisors (see below), whose sum is σ = 29864049600. Its totient is φ = 4847049792.

The previous prime is 13127470457. The next prime is 13127470471. The reversal of 13127470460 is 6407472131.

It is a super-2 number, since 2×131274704602 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13127470460.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105440 + ... + 193319.

It is an arithmetic number, because the mean of its divisors is an integer number (622167700).

Almost surely, 213127470460 is an apocalyptic number.

13127470460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13127470460 is an abundant number, since it is smaller than the sum of its proper divisors (16736579140).

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

13127470460 is a wasteful number, since it uses less digits than its factorization.

13127470460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298807 (or 298779 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 13127470460 in words is "thirteen billion, one hundred twenty-seven million, four hundred seventy thousand, four hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 169 260 338 676 845 1690 2197 3380 4394 8788 10985 21970 43940 298759 597518 1195036 1493795 2987590 3883867 5975180 7767734 15535468 19419335 38838670 50490271 77677340 100980542 201961084 252451355 504902710 656373523 1009805420 1312747046 2625494092 3281867615 6563735230 13127470460