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5206638860 = 225733566191
BaseRepresentation
bin1001101100101011…
…10000000100001100
3111102212012122210022
410312111300010030
541130344420420
62220352201312
7243011462063
oct46625600414
914385178708
105206638860
112232014925
121013839238
1364c8cb8c7
143756d11da
15207172c25
hex13657010c

5206638860 has 24 divisors (see below), whose sum is σ = 11083724736. Its totient is φ = 2054125440.

The previous prime is 5206638851. The next prime is 5206638863. The reversal of 5206638860 is 688366025.

It is not an unprimeable number, because it can be changed into a prime (5206638863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1781636 + ... + 1784555.

It is an arithmetic number, because the mean of its divisors is an integer number (461821864).

Almost surely, 25206638860 is an apocalyptic number.

It is an amenable number.

5206638860 is an abundant number, since it is smaller than the sum of its proper divisors (5877085876).

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

5206638860 is a wasteful number, since it uses less digits than its factorization.

5206638860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566273 (or 3566271 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 5206638860 is about 72157.0430380846. The cubic root of 5206638860 is about 1733.2151843367.

The spelling of 5206638860 in words is "five billion, two hundred six million, six hundred thirty-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 3566191 7132382 14264764 17830955 35661910 71323820 260331943 520663886 1041327772 1301659715 2603319430 5206638860