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318168280075 = 5217971099057
BaseRepresentation
bin1001010000101000100…
…11101010110000001011
31010102020200202021122011
410220110103222300023
520203102034430300
6402055310240351
731662335521042
oct4502423526013
91112220667564
10318168280075
11112a30776aa8
12517b5ab60b7
1324006b8b6a9
1411584055559
158422707eba
hex4a144eac0b

318168280075 has 12 divisors (see below), whose sum is σ = 396732743640. Its totient is φ = 253112639360.

The previous prime is 318168280049. The next prime is 318168280099. The reversal of 318168280075 is 570082861813.

It is not a de Polignac number, because 318168280075 - 211 = 318168278027 is a prime.

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, 35545054 + ... + 35554003.

It is an arithmetic number, because the mean of its divisors is an integer number (33061061970).

Almost surely, 2318168280075 is an apocalyptic number.

318168280075 is a deficient number, since it is larger than the sum of its proper divisors (78564463565).

318168280075 is a wasteful number, since it uses less digits than its factorization.

318168280075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71099246 (or 71099241 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 318168280075 in words is "three hundred eighteen billion, one hundred sixty-eight million, two hundred eighty thousand, seventy-five".

Divisors: 1 5 25 179 895 4475 71099057 355495285 1777476425 12726731203 63633656015 318168280075