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31179610431112 = 23111327254904223
BaseRepresentation
bin1110001011011100100011…
…00110101001111010001000
311002101202000122211110011111
413011232101212221322020
513041321320232243422
6150151414300340104
76365436545540053
oct705562146517210
9132352018743144
1031179610431112
119a31220268270
1235b6998544634
1314522bc7208a0
1479b15b981a9a
153910be945a77
hex1c5b919a9e88

31179610431112 has 32 divisors (see below), whose sum is σ = 68682358644480. Its totient is φ = 13082354026560.

The previous prime is 31179610431071. The next prime is 31179610431139. The reversal of 31179610431112 is 21113401697113.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13627450968 + ... + 13627453255.

It is an arithmetic number, because the mean of its divisors is an integer number (2146323707640).

Almost surely, 231179610431112 is an apocalyptic number.

It is an amenable number.

31179610431112 is an abundant number, since it is smaller than the sum of its proper divisors (37502748213368).

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

31179610431112 is a wasteful number, since it uses less digits than its factorization.

31179610431112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27254904253 (or 27254904249 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 31179610431112 in words is "thirty-one trillion, one hundred seventy-nine billion, six hundred ten million, four hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 143 286 572 1144 27254904223 54509808446 109019616892 218039233784 299803946453 354313754899 599607892906 708627509798 1199215785812 1417255019596 2398431571624 2834510039192 3897451303889 7794902607778 15589805215556 31179610431112