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52569916680 = 233517192335821
BaseRepresentation
bin110000111101011010…
…010100010100001000
312000200200120110120010
4300331122110110020
51330130344313210
640052243431520
73540505630131
oct607532242410
9160620513503
1052569916680
1120327390536
12a2316855a0
134c5a30ba98
142789b80c88
15157a2d1920
hexc3d694508

52569916680 has 256 divisors, whose sum is σ = 176560300800. Its totient is φ = 12443811840.

The previous prime is 52569916579. The next prime is 52569916703. The reversal of 52569916680 is 8661996525.

It is a super-2 number, since 2×525699166802 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 52569916680.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9028170 + ... + 9033990.

It is an arithmetic number, because the mean of its divisors is an integer number (689688675).

Almost surely, 252569916680 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 52569916680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88280150400).

52569916680 is an abundant number, since it is smaller than the sum of its proper divisors (123990384120).

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

52569916680 is a wasteful number, since it uses less digits than its factorization.

52569916680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6104 (or 6100 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 57.

The spelling of 52569916680 in words is "fifty-two billion, five hundred sixty-nine million, nine hundred sixteen thousand, six hundred eighty".