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12725567412 = 2231060463951
BaseRepresentation
bin10111101101000000…
…01011111110110100
31012211212101210201120
423312200023332310
5202030221124122
65502425023540
7630231352425
oct136640137664
935755353646
1012725567412
115440284168
122571924bb0
13127a58645c
1488a12d64c
154e72e375c
hex2f680bfb4

12725567412 has 12 divisors (see below), whose sum is σ = 29692990656. Its totient is φ = 4241855800.

The previous prime is 12725567411. The next prime is 12725567441. The reversal of 12725567412 is 21476552721.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12725567411) by changing a digit.

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, 530231964 + ... + 530231987.

It is an arithmetic number, because the mean of its divisors is an integer number (2474415888).

Almost surely, 212725567412 is an apocalyptic number.

12725567412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12725567412 is an abundant number, since it is smaller than the sum of its proper divisors (16967423244).

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

12725567412 is a wasteful number, since it uses less digits than its factorization.

12725567412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060463958 (or 1060463956 counting only the distinct ones).

The product of its digits is 235200, while the sum is 42.

The spelling of 12725567412 in words is "twelve billion, seven hundred twenty-five million, five hundred sixty-seven thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 1060463951 2120927902 3181391853 4241855804 6362783706 12725567412