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31926112101 = 32134123927847
BaseRepresentation
bin11101101110111100…
…011100111101100101
310001101222121112110100
4131232330130331211
51010341041041401
622355555214313
72210105322012
oct355674347545
9101358545410
1031926112101
11125a3504614
12622bba7399
13301a43c0c0
14178c18c709
15c6cc93b86
hex76ef1cf65

31926112101 has 48 divisors (see below), whose sum is σ = 51088826880. Its totient is φ = 19086762240.

The previous prime is 31926112051. The next prime is 31926112133. The reversal of 31926112101 is 10121162913.

It is a happy number.

31926112101 is a `hidden beast` number, since 31 + 9 + 2 + 611 + 2 + 10 + 1 = 666.

It is not a de Polignac number, because 31926112101 - 229 = 31389241189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31926112601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1132560 + ... + 1160406.

It is an arithmetic number, because the mean of its divisors is an integer number (1064350560).

Almost surely, 231926112101 is an apocalyptic number.

It is an amenable number.

31926112101 is a deficient number, since it is larger than the sum of its proper divisors (19162714779).

31926112101 is a wasteful number, since it uses less digits than its factorization.

31926112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28146 (or 28143 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 31926112101 in words is "thirty-one billion, nine hundred twenty-six million, one hundred twelve thousand, one hundred one".

Divisors: 1 3 9 13 39 41 117 123 239 369 533 717 1599 2151 3107 4797 9321 9799 27847 27963 29397 83541 88191 127387 250623 362011 382161 1086033 1141727 1146483 3258099 3425181 6655433 10275543 14842451 19966299 44527353 59898897 86520629 133582059 259561887 272872753 778685661 818618259 2455854777 3547345789 10642037367 31926112101