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31400264182 = 2724171110069
BaseRepresentation
bin11101001111100110…
…100000000111110110
310000001100010200201111
4131033212200013312
51003301431423212
622231452345234
72161061561500
oct351746400766
9100040120644
1031400264182
11123536a3261
126103a7521a
132c65506ba1
14173c3c8d70
15c3ba21ea7
hex74f9a01f6

31400264182 has 48 divisors (see below), whose sum is σ = 56917637280. Its totient is φ = 12943996800.

The previous prime is 31400264179. The next prime is 31400264183. The reversal of 31400264182 is 28146200413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400264183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230244 + ... + 340312.

It is an arithmetic number, because the mean of its divisors is an integer number (1185784110).

Almost surely, 231400264182 is an apocalyptic number.

31400264182 is a deficient number, since it is larger than the sum of its proper divisors (25517373098).

31400264182 is a wasteful number, since it uses less digits than its factorization.

31400264182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110197 (or 110190 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 31400264182 its reverse (28146200413), we get a palindrome (59546464595).

The spelling of 31400264182 in words is "thirty-one billion, four hundred million, two hundred sixty-four thousand, one hundred eighty-two".

Divisors: 1 2 7 14 41 49 71 82 98 142 287 497 574 994 2009 2911 3479 4018 5822 6958 20377 40754 110069 142639 220138 285278 770483 1540966 4512829 5393381 7814899 9025658 10786762 15629798 31589803 54704293 63179606 109408586 221128621 320410859 382930051 442257242 640821718 765860102 2242876013 4485752026 15700132091 31400264182