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630387104256 = 29337213174211
BaseRepresentation
bin10010010110001011111…
…11111101101000000000
32020021010202112220002000
421023011333331220000
540312013044314011
61201332411224000
763354402655500
oct11130577755000
92207122486060
10630387104256
112233890a47a8
12a220b448000
13475a329a280
1422721c97a00
15115e795e356
hex92c5ffda00

630387104256 has 960 divisors, whose sum is σ = 2475707794560. Its totient is φ = 156439019520.

The previous prime is 630387104233. The next prime is 630387104279. The reversal of 630387104256 is 652401783036.

630387104256 is a `hidden beast` number, since 6 + 3 + 0 + 387 + 10 + 4 + 256 = 666.

630387104256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (630387104233) and next prime (630387104279).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 149697991 + ... + 149702201.

It is an arithmetic number, because the mean of its divisors is an integer number (2578862286).

Almost surely, 2630387104256 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 630387104256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1237853897280).

630387104256 is an abundant number, since it is smaller than the sum of its proper divisors (1845320690304).

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

630387104256 is a wasteful number, since it uses less digits than its factorization.

630387104256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4282 (or 4253 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 630387104256 in words is "six hundred thirty billion, three hundred eighty-seven million, one hundred four thousand, two hundred fifty-six".