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52030387944 = 2332977449941
BaseRepresentation
bin110000011101010000…
…001011011011101000
311222022002100120021100
4300131100023123220
51323024234403234
635522531441400
73521235000063
oct603520133350
9158262316240
1052030387944
112007a885617
12a100a56260
134ba25c6802
1427382598da
151547c5b399
hexc1d40b6e8

52030387944 has 48 divisors (see below), whose sum is σ = 142368391620. Its totient is φ = 17164661760.

The previous prime is 52030387939. The next prime is 52030387951. The reversal of 52030387944 is 44978303025.

52030387944 is a `hidden beast` number, since 520 + 3 + 0 + 3 + 87 + 9 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45951067044 + 6079320900 = 214362^2 + 77970^2 .

It is a super-2 number, since 2×520303879442 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52030387944.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3717987 + ... + 3731954.

Almost surely, 252030387944 is an apocalyptic number.

It is an amenable number.

52030387944 is an abundant number, since it is smaller than the sum of its proper divisors (90338003676).

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

52030387944 is a wasteful number, since it uses less digits than its factorization.

52030387944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7450050 (or 7450043 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 52030387944 in words is "fifty-two billion, thirty million, three hundred eighty-seven thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 97 194 291 388 582 776 873 1164 1746 2328 3492 6984 7449941 14899882 22349823 29799764 44699646 59599528 67049469 89399292 134098938 178798584 268197876 536395752 722644277 1445288554 2167932831 2890577108 4335865662 5781154216 6503798493 8671731324 13007596986 17343462648 26015193972 52030387944