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117840107 = 7111790023
BaseRepresentation
bin1110000011000…
…01100011101011
322012201220020102
413001201203223
5220131340412
615405420015
72630424110
oct701414353
9265656212
10117840107
1160577020
123356a60b
131b54ba98
1411916907
15a52a8c2
hex70618eb

117840107 has 16 divisors (see below), whose sum is σ = 155561472. Its totient is φ = 86421120.

The previous prime is 117840091. The next prime is 117840119. The reversal of 117840107 is 701048711.

It is a cyclic number.

It is not a de Polignac number, because 117840107 - 24 = 117840091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117840107.

It is not an unprimeable number, because it can be changed into a prime (117840127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43703 + ... + 46320.

It is an arithmetic number, because the mean of its divisors is an integer number (9722592).

Almost surely, 2117840107 is an apocalyptic number.

117840107 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

117840107 is a deficient number, since it is larger than the sum of its proper divisors (37721365).

117840107 is a wasteful number, since it uses less digits than its factorization.

117840107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90058.

The product of its (nonzero) digits is 1568, while the sum is 29.

The square root of 117840107 is about 10855.4183245050. The cubic root of 117840107 is about 490.2651723120.

Adding to 117840107 its reverse (701048711), we get a palindrome (818888818).

The spelling of 117840107 in words is "one hundred seventeen million, eight hundred forty thousand, one hundred seven".

Divisors: 1 7 11 17 77 119 187 1309 90023 630161 990253 1530391 6931771 10712737 16834301 117840107