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70725718313 = 1923173935513
BaseRepresentation
bin100000111011110010…
…1001101000100101001
320202112222220202020122
41001313211031010221
52124321240441223
652254013333025
75052435454325
oct1016745150451
9222488822218
1070725718313
1127aa3907a78
1211859a97175
1368918bcb83
1435cd166985
151c8e1b35c8
hex107794d129

70725718313 has 16 divisors (see below), whose sum is σ = 78134129280. Its totient is φ = 63719593344.

The previous prime is 70725718291. The next prime is 70725718319. The reversal of 70725718313 is 31381752707.

It is a cyclic number.

It is not a de Polignac number, because 70725718313 - 214 = 70725701929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70725718319) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 392156 + ... + 543357.

It is an arithmetic number, because the mean of its divisors is an integer number (4883383080).

Almost surely, 270725718313 is an apocalyptic number.

It is an amenable number.

70725718313 is a deficient number, since it is larger than the sum of its proper divisors (7408410967).

70725718313 is a wasteful number, since it uses less digits than its factorization.

70725718313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935728.

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 70725718313 in words is "seventy billion, seven hundred twenty-five million, seven hundred eighteen thousand, three hundred thirteen".

Divisors: 1 19 23 173 437 3287 3979 75601 935513 17774747 21516799 161843749 408819181 3075031231 3722406227 70725718313