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82131038337486 = 2397141118622573
BaseRepresentation
bin10010101011001010011111…
…010111010111100111001110
3101202210122120021110010110210
4102223022133113113213032
541231113331303244421
6450402251135543250
723204525460115635
oct2253123727274716
9352718507403423
1082131038337486
1124195639a98406
12926566668ab26
1336a9c0143c198
14163d24079a51c
1597663b9d0576
hex4ab29f5d79ce

82131038337486 has 16 divisors (see below), whose sum is σ = 165955500147024. Its totient is φ = 27094775533824.

The previous prime is 82131038337473. The next prime is 82131038337493. The reversal of 82131038337486 is 68473383013128.

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, 70559310705 + ... + 70559311868.

It is an arithmetic number, because the mean of its divisors is an integer number (10372218759189).

Almost surely, 282131038337486 is an apocalyptic number.

82131038337486 is an abundant number, since it is smaller than the sum of its proper divisors (83824461809538).

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

82131038337486 is a wasteful number, since it uses less digits than its factorization.

82131038337486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141118622675.

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 82131038337486 in words is "eighty-two trillion, one hundred thirty-one billion, thirty-eight million, three hundred thirty-seven thousand, four hundred eighty-six".

Divisors: 1 2 3 6 97 194 291 582 141118622573 282237245146 423355867719 846711735438 13688506389581 27377012779162 41065519168743 82131038337486