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981307339998 = 231493517312101
BaseRepresentation
bin11100100011110100111…
…10011011010011011110
310110210220222212220120020
432101322132123103132
5112034204134334443
62030450101533010
7130616465523006
oct16217236332336
93423828786506
10981307339998
11349196457857
1213a225a14166
13716c96c8a8b
14356d1a33006
151a7d568a583
hexe47a79b4de

981307339998 has 32 divisors (see below), whose sum is σ = 1976354704800. Its totient is φ = 324813705600.

The previous prime is 981307339979. The next prime is 981307340059. The reversal of 981307339998 is 899933703189.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2988148 + ... + 3300248.

It is an arithmetic number, because the mean of its divisors is an integer number (61761084525).

Almost surely, 2981307339998 is an apocalyptic number.

981307339998 is an abundant number, since it is smaller than the sum of its proper divisors (995047364802).

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

981307339998 is a wasteful number, since it uses less digits than its factorization.

981307339998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315772.

The product of its (nonzero) digits is 79361856, while the sum is 69.

The spelling of 981307339998 in words is "nine hundred eighty-one billion, three hundred seven million, three hundred thirty-nine thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 149 298 447 894 3517 7034 10551 21102 312101 524033 624202 936303 1048066 1572099 1872606 3144198 46503049 93006098 139509147 279018294 1097659217 2195318434 3292977651 6585955302 163551223333 327102446666 490653669999 981307339998