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52566685670240 = 2557412508745631
BaseRepresentation
bin10111111001111001000101…
…01000000101101101100000
320220010022210201001212111222
423330330202220011231200
523342223033012421430
6303444445122554212
714033550321561320
oct1374744250055540
9226108721055458
1052566685670240
1115827451717435
125a8b938808968
13234402b9c0b91
14cda353a67280
156125a7dec9e5
hex2fcf22a05b60

52566685670240 has 192 divisors, whose sum is σ = 145400741756928. Its totient is φ = 17582195404800.

The previous prime is 52566685670119. The next prime is 52566685670263. The reversal of 52566685670240 is 4207658666525.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1151972225 + ... + 1152017855.

It is an arithmetic number, because the mean of its divisors is an integer number (757295529984).

Almost surely, 252566685670240 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 52566685670240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72700370878464).

52566685670240 is an abundant number, since it is smaller than the sum of its proper divisors (92834056086688).

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

52566685670240 is a wasteful number, since it uses less digits than its factorization.

52566685670240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70781 (or 70773 counting only the distinct ones).

The product of its (nonzero) digits is 145152000, while the sum is 62.

The spelling of 52566685670240 in words is "fifty-two trillion, five hundred sixty-six billion, six hundred eighty-five million, six hundred seventy thousand, two hundred forty".