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70970025605 = 5409277712497
BaseRepresentation
bin100001000011000100…
…1001010011010000101
320210012000121211211212
41002012021022122011
52130321311304410
652334141541205
75061463156433
oct1020611123205
9223160554755
1070970025605
1128109802726
1211907874805
1369003bb3bb
14361379dd53
151ca5870b05
hex108624a685

70970025605 has 16 divisors (see below), whose sum is σ = 85409832240. Its totient is φ = 56612278272.

The previous prime is 70970025587. The next prime is 70970025617. The reversal of 70970025605 is 50652007907.

It is a Cunningham number, because it is equal to 2664022+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1 + 70970025604 = 1^2 + 266402^2 .

It is a cyclic number.

It is not a de Polignac number, because 70970025605 - 28 = 70970025349 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5672717 + ... + 5685213.

It is an arithmetic number, because the mean of its divisors is an integer number (5338114515).

Almost surely, 270970025605 is an apocalyptic number.

It is an amenable number.

70970025605 is a deficient number, since it is larger than the sum of its proper divisors (14439806635).

70970025605 is a wasteful number, since it uses less digits than its factorization.

70970025605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15688.

The product of its (nonzero) digits is 132300, while the sum is 41.

The spelling of 70970025605 in words is "seventy billion, nine hundred seventy million, twenty-five thousand, six hundred five".

Divisors: 1 5 409 2045 2777 12497 13885 62485 1135793 5111273 5678965 25556365 34704169 173520845 14194005121 70970025605