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52531088880 = 2435218879537
BaseRepresentation
bin110000111011000110…
…001100110111110000
312000120222111210211110
4300323012030313300
51330040424321010
640044335313320
73536524613424
oct607306146760
9160528453743
1052531088880
1120307480646
12a22067b840
134c5226595a
142784954b84
151576bb2120
hexc3b18cdf0

52531088880 has 40 divisors (see below), whose sum is σ = 162846376272. Its totient is φ = 14008290304.

The previous prime is 52531088839. The next prime is 52531088887. The reversal of 52531088880 is 8888013525.

It is a happy number.

52531088880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52531088887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109439529 + ... + 109440008.

Almost surely, 252531088880 is an apocalyptic number.

It is an amenable number.

52531088880 is an abundant number, since it is smaller than the sum of its proper divisors (110315287392).

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

52531088880 is a wasteful number, since it uses less digits than its factorization.

52531088880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218879553 (or 218879547 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 48.

The spelling of 52531088880 in words is "fifty-two billion, five hundred thirty-one million, eighty-eight thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 218879537 437759074 656638611 875518148 1094397685 1313277222 1751036296 2188795370 2626554444 3283193055 3502072592 4377590740 5253108888 6566386110 8755181480 10506217776 13132772220 17510362960 26265544440 52531088880