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31467712442 = 273479449963
BaseRepresentation
bin11101010011100111…
…110010111110111010
310000020001001102100012
4131103213302332322
51003421213244232
622242302141522
72162541066605
oct352347627672
9100201042305
1031467712442
1112388781121
1261225818a2
132c764910ba
14174734533c
15c428e69b2
hex7539f2fba

31467712442 has 16 divisors (see below), whose sum is σ = 47948163840. Its totient is φ = 15485892192.

The previous prime is 31467712439. The next prime is 31467712483. The reversal of 31467712442 is 24421776413.

It is a self number, because there is not a number n which added to its sum of digits gives 31467712442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155048 + ... + 294915.

It is an arithmetic number, because the mean of its divisors is an integer number (2996760240).

Almost surely, 231467712442 is an apocalyptic number.

31467712442 is a deficient number, since it is larger than the sum of its proper divisors (16480451398).

31467712442 is a wasteful number, since it uses less digits than its factorization.

31467712442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450517.

The product of its digits is 225792, while the sum is 41.

The spelling of 31467712442 in words is "thirty-one billion, four hundred sixty-seven million, seven hundred twelve thousand, four hundred forty-two".

Divisors: 1 2 73 146 479 958 34967 69934 449963 899926 32847299 65694598 215532277 431064554 15733856221 31467712442