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109138014 = 23219319117
BaseRepresentation
bin1101000000101…
…01000001011110
321121100210012200
412200111001132
5210414404024
614455112330
72463441426
oct640250136
9247323180
10109138014
1156673007
12306726a6
13197c2c0b
14106cd486
1598ac2c9
hex681505e

109138014 has 24 divisors (see below), whose sum is σ = 248912040. Its totient is φ = 34464528.

The previous prime is 109137983. The next prime is 109138027. The reversal of 109138014 is 410831901.

It is a super-2 number, since 2×1091380142 = 23822212199728392, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159217 + ... + 159900.

It is an arithmetic number, because the mean of its divisors is an integer number (10371335).

Almost surely, 2109138014 is an apocalyptic number.

109138014 is an abundant number, since it is smaller than the sum of its proper divisors (139774026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109138014 is a wasteful number, since it uses less digits than its factorization.

109138014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319144 (or 319141 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 109138014 is about 10446.9140898162. The cubic root of 109138014 is about 477.8871456176.

Adding to 109138014 its reverse (410831901), we get a palindrome (519969915).

The spelling of 109138014 in words is "one hundred nine million, one hundred thirty-eight thousand, fourteen".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 319117 638234 957351 1914702 2872053 5744106 6063223 12126446 18189669 36379338 54569007 109138014