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31424790422 = 2195371219763
BaseRepresentation
bin11101010001000100…
…000011111110010110
310000010001021202101202
4131101010003332112
51003324221243142
622234130152502
72161510211534
oct352104037626
9100101252352
1031424790422
1112366525183
126110122732
132c6a61355c
141741771154
15c3dc69032
hex751103f96

31424790422 has 32 divisors (see below), whose sum is σ = 51266545920. Its totient is φ = 14398806240.

The previous prime is 31424790391. The next prime is 31424790433. The reversal of 31424790422 is 22409742413.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33113 + ... + 252875.

It is an arithmetic number, because the mean of its divisors is an integer number (1602079560).

Almost surely, 231424790422 is an apocalyptic number.

31424790422 is a deficient number, since it is larger than the sum of its proper divisors (19841755498).

31424790422 is a wasteful number, since it uses less digits than its factorization.

31424790422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219908.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 31424790422 in words is "thirty-one billion, four hundred twenty-four million, seven hundred ninety thousand, four hundred twenty-two".

Divisors: 1 2 19 38 53 71 106 142 1007 1349 2014 2698 3763 7526 71497 142994 219763 439526 4175497 8350994 11647439 15603173 23294878 31206346 221301341 296460287 442602682 592920574 826968169 1653936338 15712395211 31424790422