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31312078066112 = 261015906982007
BaseRepresentation
bin1110001111010011010010…
…10010100101000111000000
311002212101221120001112122012
413013221221102211013000
513101004113441103422
6150332323045432052
76411136325054414
oct707515122450700
9132771846045565
1031312078066112
119a82417845068
1236185a770b628
13146194090226c
147a3726a74d44
153947742404e2
hex1c7a694a51c0

31312078066112 has 56 divisors (see below), whose sum is σ = 62751929502240. Its totient is φ = 15500577305600.

The previous prime is 31312078066081. The next prime is 31312078066151. The reversal of 31312078066112 is 21166087021313.

It is a self number, because there is not a number n which added to its sum of digits gives 31312078066112.

It is a congruent number.

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, 381781013 + ... + 381863019.

Almost surely, 231312078066112 is an apocalyptic number.

31312078066112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31312078066112 is an abundant number, since it is smaller than the sum of its proper divisors (31439851436128).

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

31312078066112 is a wasteful number, since it uses less digits than its factorization.

31312078066112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141189 (or 141179 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 31312078066112 in words is "thirty-one trillion, three hundred twelve billion, seventy-eight million, sixty-six thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 101 202 404 808 1616 3232 6464 59069 82007 118138 164014 236276 328028 472552 656056 945104 1312112 1890208 2624224 3780416 5248448 5965969 8282707 11931938 16565414 23863876 33130828 47727752 66261656 95455504 132523312 190911008 265046624 381822016 530093248 4844071483 9688142966 19376285932 38752571864 77505143728 155010287456 310020574912 489251219783 978502439566 1957004879132 3914009758264 7828019516528 15656039033056 31312078066112