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12472858461 = 37243712
BaseRepresentation
bin10111001110111000…
…01011011101011101
31012012020212212012210
423213130023131131
5201021022432321
65421400351033
7621042355560
oct134734133535
935166785183
1012472858461
115320670198
122501175479
13123a105a2b
1486474a4d7
154d0026b76
hex2e770b75d

12472858461 has 12 divisors (see below), whose sum is σ = 19007040416. Its totient is φ = 7127055240.

The previous prime is 12472858457. The next prime is 12472858477. The reversal of 12472858461 is 16485827421.

It is a happy number.

It is not a de Polignac number, because 12472858461 - 22 = 12472858457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12472858461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12472858441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499606 + ... + 523976.

Almost surely, 212472858461 is an apocalyptic number.

It is an amenable number.

12472858461 is a deficient number, since it is larger than the sum of its proper divisors (6534181955).

12472858461 is an frugal number, since it uses more digits than its factorization.

12472858461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48752 (or 24381 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The spelling of 12472858461 in words is "twelve billion, four hundred seventy-two million, eight hundred fifty-eight thousand, four hundred sixty-one".

Divisors: 1 3 7 21 24371 73113 170597 511791 593945641 1781836923 4157619487 12472858461