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52664463360 = 21234553599
BaseRepresentation
bin110001000011000010…
…111111000000000000
312000221021110221020000
4301003002333000000
51330324100311420
640105502120000
73543034360335
oct610302770000
9160837427200
1052664463360
1120375797893
12a259280000
134c73a93372
14279855298c
15158375a690
hexc430bf000

52664463360 has 520 divisors, whose sum is σ = 192671978400. Its totient is φ = 13755875328.

The previous prime is 52664463337. The next prime is 52664463361. The reversal of 52664463360 is 6336446625.

52664463360 is a `hidden beast` number, since 5 + 2 + 6 + 6 + 4 + 4 + 633 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52664463361) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 87920341 + ... + 87920939.

Almost surely, 252664463360 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 52664463360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96335989200).

52664463360 is an abundant number, since it is smaller than the sum of its proper divisors (140007515040).

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

52664463360 is an equidigital number, since it uses as much as digits as its factorization.

52664463360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 45.

The spelling of 52664463360 in words is "fifty-two billion, six hundred sixty-four million, four hundred sixty-three thousand, three hundred sixty".