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117279710811 = 33291131325509
BaseRepresentation
bin110110100111001101…
…0100101111001011011
3102012201102110121021000
41231032122211321123
53410142101221221
6125513315120043
711321205044064
oct1551632457133
9365642417230
10117279710811
114581338063a
121a8908a3023
13b0a07489b3
145967d5156b
1530b6263e26
hex1b4e6a5e5b

117279710811 has 32 divisors (see below), whose sum is σ = 181329768000. Its totient is φ = 74822275584.

The previous prime is 117279710809. The next prime is 117279710819. The reversal of 117279710811 is 118017972711.

It is a happy number.

It is not a de Polignac number, because 117279710811 - 21 = 117279710809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117279710819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 574276 + ... + 751233.

It is an arithmetic number, because the mean of its divisors is an integer number (5666555250).

Almost surely, 2117279710811 is an apocalyptic number.

117279710811 is a deficient number, since it is larger than the sum of its proper divisors (64050057189).

117279710811 is a wasteful number, since it uses less digits than its factorization.

117279710811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325660 (or 1325654 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 45.

The spelling of 117279710811 in words is "one hundred seventeen billion, two hundred seventy-nine million, seven hundred ten thousand, eight hundred eleven".

Divisors: 1 3 9 27 29 87 113 261 339 783 1017 3051 3277 9831 29493 88479 1325509 3976527 11929581 35788743 38439761 115319283 149782517 345957849 449347551 1037873547 1348042653 4044127959 4343692993 13031078979 39093236937 117279710811