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31422350024 = 23131915901999
BaseRepresentation
bin11101010000111010…
…110000001011001000
310000002212200202210122
4131100322300023020
51003323110200044
622234002002412
72161450365632
oct352072601310
9100085622718
1031422350024
111236510871a
12610b346408
132c69c6a830
1417412d7a52
15c3d935dee
hex750eb02c8

31422350024 has 32 divisors (see below), whose sum is σ = 66788400000. Its totient is φ = 13739326272.

The previous prime is 31422349999. The next prime is 31422350051. The reversal of 31422350024 is 42005322413.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 31422349975 and 31422350002.

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, 7949024 + ... + 7952975.

It is an arithmetic number, because the mean of its divisors is an integer number (2087137500).

Almost surely, 231422350024 is an apocalyptic number.

It is an amenable number.

31422350024 is an abundant number, since it is smaller than the sum of its proper divisors (35366049976).

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

31422350024 is a wasteful number, since it uses less digits than its factorization.

31422350024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15902037 (or 15902033 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 31422350024 its reverse (42005322413), we get a palindrome (73427672437).

The spelling of 31422350024 in words is "thirty-one billion, four hundred twenty-two million, three hundred fifty thousand, twenty-four".

Divisors: 1 2 4 8 13 19 26 38 52 76 104 152 247 494 988 1976 15901999 31803998 63607996 127215992 206725987 302137981 413451974 604275962 826903948 1208551924 1653807896 2417103848 3927793753 7855587506 15711175012 31422350024