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315112155513 = 3298940696391
BaseRepresentation
bin1001001010111100010…
…01011110100101111001
31010010100201010001212120
410211132021132211321
520130322202434023
6400432135031453
731523526061641
oct4453611364571
91103321101776
10315112155513
11111702662421
12510a250b589
132393a98616c
14113741dd521
1582e42798e3
hex495e25e979

315112155513 has 16 divisors (see below), whose sum is σ = 439521033600. Its totient is φ = 200551809920.

The previous prime is 315112155511. The next prime is 315112155541. The reversal of 315112155513 is 315551211513.

It is a cyclic number.

It is not a de Polignac number, because 315112155513 - 21 = 315112155511 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (315112155511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20340453 + ... + 20355938.

It is an arithmetic number, because the mean of its divisors is an integer number (27470064600).

Almost surely, 2315112155513 is an apocalyptic number.

It is an amenable number.

315112155513 is a deficient number, since it is larger than the sum of its proper divisors (124408878087).

315112155513 is a wasteful number, since it uses less digits than its factorization.

315112155513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40696512.

The product of its digits is 11250, while the sum is 33.

The spelling of 315112155513 in words is "three hundred fifteen billion, one hundred twelve million, one hundred fifty-five thousand, five hundred thirteen".

Divisors: 1 3 29 87 89 267 2581 7743 40696391 122089173 1180195339 3540586017 3621978799 10865936397 105037385171 315112155513