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108913929501 = 31319732013457
BaseRepresentation
bin110010101101111000…
…1101010110100011101
3101102010101202212201210
41211123301222310131
53241023431221001
6122011231255033
710603663061106
oct1453361526435
9342111685653
10108913929501
114221008a293
121913707a479
13a3694b5540
1453b2c6d3ad
152c76ab3dd6
hex195bc6ad1d

108913929501 has 32 divisors (see below), whose sum is σ = 166875399040. Its totient is φ = 62626535424.

The previous prime is 108913929493. The next prime is 108913929511. The reversal of 108913929501 is 105929319801.

It is not a de Polignac number, because 108913929501 - 23 = 108913929493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108913929511) 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, 952636 + ... + 1060821.

It is an arithmetic number, because the mean of its divisors is an integer number (5214856220).

Almost surely, 2108913929501 is an apocalyptic number.

It is an amenable number.

108913929501 is a deficient number, since it is larger than the sum of its proper divisors (57961469539).

108913929501 is a wasteful number, since it uses less digits than its factorization.

108913929501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013565.

The product of its (nonzero) digits is 174960, while the sum is 48.

The spelling of 108913929501 in words is "one hundred eight billion, nine hundred thirteen million, nine hundred twenty-nine thousand, five hundred one".

Divisors: 1 3 13 19 39 57 73 219 247 741 949 1387 2847 4161 18031 54093 2013457 6040371 26174941 38255683 78524823 114767049 146982361 440947083 497323879 1491971637 1910770693 2792664859 5732312079 8377994577 36304643167 108913929501