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70160000525 = 524168448781
BaseRepresentation
bin100000101010111011…
…1001010011000001101
320201002120102022022222
41001111313022120031
52122141430004100
652121524145125
75032426110326
oct1012567123015
9221076368288
1070160000525
112783354490a
12117205381a5
136801638414
143577d8544d
151c596b8485
hex1055dca60d

70160000525 has 12 divisors (see below), whose sum is σ = 89120314164. Its totient is φ = 54759024000.

The previous prime is 70160000507. The next prime is 70160000531. The reversal of 70160000525 is 52500006107.

It can be written as a sum of positive squares in 6 ways, for example, as 28538696356 + 41621304169 = 168934^2 + 204013^2 .

It is not a de Polignac number, because 70160000525 - 224 = 70143223309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70160000494 and 70160000503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34223366 + ... + 34225415.

It is an arithmetic number, because the mean of its divisors is an integer number (7426692847).

Almost surely, 270160000525 is an apocalyptic number.

It is an amenable number.

70160000525 is a deficient number, since it is larger than the sum of its proper divisors (18960313639).

70160000525 is a wasteful number, since it uses less digits than its factorization.

70160000525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68448832 (or 68448827 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The spelling of 70160000525 in words is "seventy billion, one hundred sixty million, five hundred twenty-five", and thus it is an aban number.

Divisors: 1 5 25 41 205 1025 68448781 342243905 1711219525 2806400021 14032000105 70160000525