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1315154542131 = 321396310465393
BaseRepresentation
bin10011001000110101010…
…100011011111000110011
311122201122101021221212100
4103020311110123320303
5133021414030322011
62444101302031443
7164005520106063
oct23106524337063
94581571257770
101315154542131
114678324a8a81
12192a76718583
1397031972931
144792211b3a3
15243245b4d56
hex1323551be33

1315154542131 has 12 divisors (see below), whose sum is σ = 1899803903608. Its totient is φ = 876706818624.

The previous prime is 1315154542129. The next prime is 1315154542189. The reversal of 1315154542131 is 1312454515131.

1315154542131 is a `hidden beast` number, since 1 + 3 + 1 + 51 + 54 + 542 + 13 + 1 = 666.

It is not a de Polignac number, because 1315154542131 - 21 = 1315154542129 is a prime.

It is a super-2 number, since 2×13151545421312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315154540131) 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, 5107030 + ... + 5358363.

Almost surely, 21315154542131 is an apocalyptic number.

1315154542131 is a deficient number, since it is larger than the sum of its proper divisors (584649361477).

1315154542131 is a wasteful number, since it uses less digits than its factorization.

1315154542131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10479362 (or 10479359 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The spelling of 1315154542131 in words is "one trillion, three hundred fifteen billion, one hundred fifty-four million, five hundred forty-two thousand, one hundred thirty-one".

Divisors: 1 3 9 13963 41889 125667 10465393 31396179 94188537 146128282459 438384847377 1315154542131