30751012636452 has 18 divisors (see below), whose sum is σ = 77731726386678. Its totient is φ = 10250337545472.

The previous prime is 30751012636451. The next prime is 30751012636481. The reversal of 30751012636452 is 25463621015703.

30751012636452 is a `hidden beast` number, since 3 + 0 + 7 + 5 + 1 + 0 + 1 + 2 + 636 + 4 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24254600610816 + 6496412025636 = 4924896^2 + 2548806^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 30751012636398 and 30751012636407.

It is not an unprimeable number, because it can be changed into a prime (30751012636451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 427097397693 + ... + 427097397764.

Almost surely, 2^{30751012636452} is an apocalyptic number.

It is an amenable number.

30751012636452 is an abundant number, since it is smaller than the sum of its proper divisors (46980713750226).

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

30751012636452 is a wasteful number, since it uses less digits than its factorization.

30751012636452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854194795467 (or 854194795462 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 30751012636452 in words is "thirty trillion, seven hundred fifty-one billion, twelve million, six hundred thirty-six thousand, four hundred fifty-two".