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90610625064960 = 212375711134347
BaseRepresentation
bin10100100110100011101110…
…000111101011000000000000
3102212211021212020212120000000
4110212203232013223000000
543334031030004034320
6520413540240000000
725041254521056510
oct2446435607530000
9385737766776000
1090610625064960
11269648286a9280
12a1b4b43000000
133b73711c98910
141853813119840
15a71ecc3c6c90
hex5268ee1eb000

90610625064960 has 6656 divisors, whose sum is σ = 457567534448640. Its totient is φ = 16614492733440.

The previous prime is 90610625064929. The next prime is 90610625064977. The reversal of 90610625064960 is 6946052601609.

90610625064960 is a `hidden beast` number, since 9 + 0 + 6 + 1 + 0 + 625 + 0 + 6 + 4 + 9 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (6656).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 90610625064897 and 90610625064906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 1927885639657 + ... + 1927885639703.

Almost surely, 290610625064960 is an apocalyptic number.

90610625064960 is a gapful number since it is divisible by the number (90) 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 90610625064960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228783767224320).

90610625064960 is an abundant number, since it is smaller than the sum of its proper divisors (366956909383680).

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

90610625064960 is a wasteful number, since it uses less digits than its factorization.

90610625064960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 90610625064960 in words is "ninety trillion, six hundred ten billion, six hundred twenty-five million, sixty-four thousand, nine hundred sixty".