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258404256000 = 283653111953
BaseRepresentation
bin1111000010101000011…
…0000000100100000000
3220200222122012022000000
43300222012000210000
513213202442143000
6314413112000000
724445332635562
oct3605206004400
9820878168000
10258404256000
119a652514170
12420b7090000
131b4a12a3837
14c714a6b332
156ac5a69000
hex3c2a180900

258404256000 has 2016 divisors, whose sum is σ = 1129199460480. Its totient is φ = 58226688000.

The previous prime is 258404255983. The next prime is 258404256031. The reversal of 258404256000 is 652404852.

It is a happy number.

258404256000 is a `hidden beast` number, since 2 + 5 + 8 + 4 + 0 + 42 + 5 + 600 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 4875551974 + ... + 4875552026.

It is an arithmetic number, because the mean of its divisors is an integer number (560118780).

Almost surely, 2258404256000 is an apocalyptic number.

258404256000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258404256000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564599730240).

258404256000 is an abundant number, since it is smaller than the sum of its proper divisors (870795204480).

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

258404256000 is an equidigital number, since it uses as much as digits as its factorization.

258404256000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 258404256000 in words is "two hundred fifty-eight billion, four hundred four million, two hundred fifty-six thousand".