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2116316165 = 54318715261
BaseRepresentation
bin111111000100100…
…0110110000000101
312110111020000000012
41332021012300011
513313234104130
6550000000005
7103305250655
oct17611066005
95414200005
102116316165
11996672727
124b0900005
132795b15b2
141610d6365
15c5bdb995
hex7e246c05

2116316165 has 16 divisors (see below), whose sum is σ = 2600522496. Its totient is φ = 1652481600.

The previous prime is 2116316149. The next prime is 2116316183. The reversal of 2116316165 is 5616136112.

It is not a de Polignac number, because 2116316165 - 24 = 2116316149 is a prime.

It is a super-2 number, since 2×21163161652 = 8957588220480614450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399635 + ... + 404895.

It is an arithmetic number, because the mean of its divisors is an integer number (162532656).

Almost surely, 22116316165 is an apocalyptic number.

It is an amenable number.

2116316165 is a deficient number, since it is larger than the sum of its proper divisors (484206331).

2116316165 is a wasteful number, since it uses less digits than its factorization.

2116316165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7180.

The product of its digits is 6480, while the sum is 32.

The square root of 2116316165 is about 46003.4364477264. The cubic root of 2116316165 is about 1283.8871428079.

The spelling of 2116316165 in words is "two billion, one hundred sixteen million, three hundred sixteen thousand, one hundred sixty-five".

Divisors: 1 5 43 215 1871 5261 9355 26305 80453 226223 402265 1131115 9843331 49216655 423263233 2116316165