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65025712608 = 2532322967659
BaseRepresentation
bin111100100011110101…
…011010000111100000
320012211202100110101020
4330203311122013200
52031133040300413
645512234405440
74461253303023
oct744365320740
9205752313336
1065025712608
112563935735a
1210728b90880
136193a1c42c
14320c1291ba
151a58a87c23
hexf23d5a1e0

65025712608 has 288 divisors, whose sum is σ = 187628918400. Its totient is φ = 19689212928.

The previous prime is 65025712573. The next prime is 65025712649. The reversal of 65025712608 is 80621752056.

65025712608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 65025712608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98672983 + ... + 98673641.

It is an arithmetic number, because the mean of its divisors is an integer number (651489300).

Almost surely, 265025712608 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 65025712608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93814459200).

65025712608 is an abundant number, since it is smaller than the sum of its proper divisors (122603205792).

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

65025712608 is a wasteful number, since it uses less digits than its factorization.

65025712608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 65025712608 in words is "sixty-five billion, twenty-five million, seven hundred twelve thousand, six hundred eight".