Search a number
-
+
101908717092 = 223271331107667
BaseRepresentation
bin101111011101000111…
…0111001111000100100
3100202001012020012212100
41132322032321320210
53132202112421332
6114452145252100
710235251542240
oct1367216717044
9322035205770
10101908717092
113a2458a5546
1217901034030
1397c10a5c40
144d0a757420
1529b6aba67c
hex17ba3b9e24

101908717092 has 72 divisors (see below), whose sum is σ = 317049352256. Its totient is φ = 26877023424.

The previous prime is 101908717067. The next prime is 101908717093. The reversal of 101908717092 is 290717809101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (101908717093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15550558 + ... + 15557109.

Almost surely, 2101908717092 is an apocalyptic number.

101908717092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101908717092 is an abundant number, since it is smaller than the sum of its proper divisors (215140635164).

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

101908717092 is a wasteful number, since it uses less digits than its factorization.

101908717092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31107697 (or 31107692 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 45.

The spelling of 101908717092 in words is "one hundred one billion, nine hundred eight million, seven hundred seventeen thousand, ninety-two".

Divisors: 1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 52 63 78 84 91 117 126 156 182 234 252 273 364 468 546 819 1092 1638 3276 31107667 62215334 93323001 124430668 186646002 217753669 279969003 373292004 404399671 435507338 559938006 653261007 808799342 871014676 1119876012 1213199013 1306522014 1617598684 1959783021 2426398026 2613044028 2830797697 3639597039 3919566042 4852796052 5661595394 7279194078 7839132084 8492393091 11323190788 14558388156 16984786182 25477179273 33969572364 50954358546 101908717092