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108101631 = 31113723911
BaseRepresentation
bin1100111000101…
…11111111111111
321112102010120010
412130113333333
5210133223011
614420554303
72451564051
oct634277777
9245363503
10108101631
11560253a0
1230252993
131951c281
14104dd8d1
1597551a6
hex6717fff

108101631 has 16 divisors (see below), whose sum is σ = 158393088. Its totient is φ = 65035200.

The previous prime is 108101603. The next prime is 108101641. The reversal of 108101631 is 136101801.

It is not a de Polignac number, because 108101631 - 223 = 99713023 is a prime.

It is a super-2 number, since 2×1081016312 = 23371925249720322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108101598 and 108101607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108101641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7435 + ... + 16476.

It is an arithmetic number, because the mean of its divisors is an integer number (9899568).

Almost surely, 2108101631 is an apocalyptic number.

108101631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

108101631 is a deficient number, since it is larger than the sum of its proper divisors (50291457).

108101631 is a wasteful number, since it uses less digits than its factorization.

108101631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24062.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 108101631 is about 10397.1934193801. The cubic root of 108101631 is about 476.3696476068.

The spelling of 108101631 in words is "one hundred eight million, one hundred one thousand, six hundred thirty-one".

Divisors: 1 3 11 33 137 411 1507 4521 23911 71733 263021 789063 3275807 9827421 36033877 108101631