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2115324497 = 111321137883
BaseRepresentation
bin111111000010101…
…0100101001010001
312110102100121200202
41332011110221101
513313010340442
6545522424545
7103263650546
oct17605245121
95412317622
102115324497
11996055670
124b0502155
13279325100
14160d18bcd
15c5a92c32
hex7e154a51

2115324497 has 12 divisors (see below), whose sum is σ = 2498793264. Its totient is φ = 1775095920.

The previous prime is 2115324481. The next prime is 2115324527. The reversal of 2115324497 is 7944235112.

It is not a de Polignac number, because 2115324497 - 24 = 2115324481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2115324497.

It is not an unprimeable number, because it can be changed into a prime (2115324097) 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, 567083 + ... + 570800.

It is an arithmetic number, because the mean of its divisors is an integer number (208232772).

Almost surely, 22115324497 is an apocalyptic number.

It is an amenable number.

2115324497 is a deficient number, since it is larger than the sum of its proper divisors (383468767).

2115324497 is a wasteful number, since it uses less digits than its factorization.

2115324497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137920 (or 1137907 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 2115324497 is about 45992.6569900022. The cubic root of 2115324497 is about 1283.6865759404.

The spelling of 2115324497 in words is "two billion, one hundred fifteen million, three hundred twenty-four thousand, four hundred ninety-seven".

Divisors: 1 11 13 143 169 1859 1137883 12516713 14792479 162717269 192302227 2115324497