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391129711313 = 11219991617047
BaseRepresentation
bin1011011000100010010…
…01011100001011010001
31101101120111120000110012
411230101021130023101
522402013201230223
6455403231044305
740154362456025
oct5542111341321
91341514500405
10391129711313
11140971586200
1263978670695
132ab63a05303
1414d060b4385
15a292cdec78
hex5b1125c2d1

391129711313 has 12 divisors (see below), whose sum is σ = 430134768000. Its totient is φ = 355394369880.

The previous prime is 391129711289. The next prime is 391129711321. The reversal of 391129711313 is 313117921193.

It is not a de Polignac number, because 391129711313 - 220 = 391128662737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (391129711333) 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 11 ways as a sum of consecutive naturals, for example, 566645 + ... + 1050402.

It is an arithmetic number, because the mean of its divisors is an integer number (35844564000).

Almost surely, 2391129711313 is an apocalyptic number.

It is an amenable number.

391129711313 is a deficient number, since it is larger than the sum of its proper divisors (39005056687).

391129711313 is a wasteful number, since it uses less digits than its factorization.

391129711313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619068 (or 1619057 counting only the distinct ones).

The product of its digits is 30618, while the sum is 41.

The spelling of 391129711313 in words is "three hundred ninety-one billion, one hundred twenty-nine million, seven hundred eleven thousand, three hundred thirteen".

Divisors: 1 11 121 1999 21989 241879 1617047 17787517 195662687 3232476953 35557246483 391129711313