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12472414660 = 225623620733
BaseRepresentation
bin10111001110110100…
…11111000111000100
31012012020001022102201
423213122133013010
5201020414232120
65421343044244
7621035526646
oct134732370704
935166038381
1012472414660
115320397812
122500ba0684
131239caba24
14864672896
154cee8a40a
hex2e769f1c4

12472414660 has 12 divisors (see below), whose sum is σ = 26192070828. Its totient is φ = 4988965856.

The previous prime is 12472414649. The next prime is 12472414709. The reversal of 12472414660 is 6641427421.

It can be written as a sum of positive squares in 2 ways, for example, as 5246394624 + 7226020036 = 72432^2 + 85006^2 .

It is a super-2 number, since 2×124724146602 (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 311810347 + ... + 311810386.

It is an arithmetic number, because the mean of its divisors is an integer number (2182672569).

Almost surely, 212472414660 is an apocalyptic number.

12472414660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12472414660 is an abundant number, since it is smaller than the sum of its proper divisors (13719656168).

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

12472414660 is a wasteful number, since it uses less digits than its factorization.

12472414660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623620742 (or 623620740 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 12472414660 in words is "twelve billion, four hundred seventy-two million, four hundred fourteen thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 623620733 1247241466 2494482932 3118103665 6236207330 12472414660