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670520725475 = 52149917892481
BaseRepresentation
bin10011100000111100010…
…01100100111111100011
32101002201202001002102112
421300132021210333203
541441211301203400
61232011042105535
766305062061516
oct11603611447743
92332652032375
10670520725475
112394035183a7
12a9b5004b2ab
134b2cac35633
142464c0c8d7d
151269603c835
hex9c1e264fe3

670520725475 has 12 divisors (see below), whose sum is σ = 832000413000. Its totient is φ = 536058700800.

The previous prime is 670520725439. The next prime is 670520725477. The reversal of 670520725475 is 574527025076.

It is not a de Polignac number, because 670520725475 - 232 = 666225758179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670520725477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8908766 + ... + 8983715.

It is an arithmetic number, because the mean of its divisors is an integer number (69333367750).

Almost surely, 2670520725475 is an apocalyptic number.

670520725475 is a deficient number, since it is larger than the sum of its proper divisors (161479687525).

670520725475 is a wasteful number, since it uses less digits than its factorization.

670520725475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17893990 (or 17893985 counting only the distinct ones).

The product of its (nonzero) digits is 4116000, while the sum is 50.

The spelling of 670520725475 in words is "six hundred seventy billion, five hundred twenty million, seven hundred twenty-five thousand, four hundred seventy-five".

Divisors: 1 5 25 1499 7495 37475 17892481 89462405 447312025 26820829019 134104145095 670520725475