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2931725313 = 331179124951
BaseRepresentation
bin1010111010111110…
…1001010000000001
321120022120002002000
42232233221100001
522001010202223
61202525014213
7132436153056
oct25657512001
97508502060
102931725313
111274978690
126999b4369
133794cb10a
141db51302d
151225a9543
hexaebe9401

2931725313 has 32 divisors (see below), whose sum is σ = 4798156800. Its totient is φ = 1754298000.

The previous prime is 2931725257. The next prime is 2931725323. The reversal of 2931725313 is 3135271392.

It is a happy number.

2931725313 is a `hidden beast` number, since 2 + 9 + 317 + 25 + 313 = 666.

It is not a de Polignac number, because 2931725313 - 28 = 2931725057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2931725323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39013 + ... + 85938.

It is an arithmetic number, because the mean of its divisors is an integer number (149942400).

Almost surely, 22931725313 is an apocalyptic number.

It is an amenable number.

2931725313 is a deficient number, since it is larger than the sum of its proper divisors (1866431487).

2931725313 is a wasteful number, since it uses less digits than its factorization.

2931725313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125050 (or 125044 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 2931725313 is about 54145.4089743535. The cubic root of 2931725313 is about 1431.2244900063.

The spelling of 2931725313 in words is "two billion, nine hundred thirty-one million, seven hundred twenty-five thousand, three hundred thirteen".

Divisors: 1 3 9 11 27 33 79 99 237 297 711 869 2133 2607 7821 23463 124951 374853 1124559 1374461 3373677 4123383 9871129 12370149 29613387 37110447 88840161 108582419 266520483 325747257 977241771 2931725313