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25630652610816 = 2831125327718787
BaseRepresentation
bin1011101001111100110011…
…11100011011100100000000
310100202021012020201122200020
411310332121330123210000
511324413034032021231
6130302320444453440
75253516315360261
oct564763174334400
9110667166648606
1025630652610816
118191998233300
122a5b48584a280
13113bc63656a26
1464875cc52968
152e6aa34b0396
hex174f99f1b900

25630652610816 has 432 divisors, whose sum is σ = 76674621304512. Its totient is φ = 7592405483520.

The previous prime is 25630652610809. The next prime is 25630652610907. The reversal of 25630652610816 is 61801625603652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1364266575 + ... + 1364285361.

It is an arithmetic number, because the mean of its divisors is an integer number (177487549316).

Almost surely, 225630652610816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25630652610816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38337310652256).

25630652610816 is an abundant number, since it is smaller than the sum of its proper divisors (51043968693696).

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

25630652610816 is a wasteful number, since it uses less digits than its factorization.

25630652610816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19158 (or 19133 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 25630652610816 in words is "twenty-five trillion, six hundred thirty billion, six hundred fifty-two million, six hundred ten thousand, eight hundred sixteen".