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312134523884 = 22195147797947
BaseRepresentation
bin1001000101011001010…
…10101101101111101100
31002211200012011201011122
410202230222231233230
520103222414231014
6355220450040112
731356661451111
oct4425452555754
91084605151148
10312134523884
1111041488a737
12505b1279038
1323584b04061
141117097a908
1581bcb5358e
hex48acaadbec

312134523884 has 24 divisors (see below), whose sum is σ = 575097082560. Its totient is φ = 147824284176.

The previous prime is 312134523871. The next prime is 312134523887. The reversal of 312134523884 is 488325431213.

It is a super-2 number, since 2×3121345238842 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312134523887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7802 + ... + 790145.

It is an arithmetic number, because the mean of its divisors is an integer number (23962378440).

Almost surely, 2312134523884 is an apocalyptic number.

It is an amenable number.

312134523884 is a deficient number, since it is larger than the sum of its proper divisors (262962558676).

312134523884 is a wasteful number, since it uses less digits than its factorization.

312134523884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803117 (or 803115 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The spelling of 312134523884 in words is "three hundred twelve billion, one hundred thirty-four million, five hundred twenty-three thousand, eight hundred eighty-four".

Divisors: 1 2 4 19 38 76 5147 10294 20588 97793 195586 391172 797947 1595894 3191788 15160993 30321986 60643972 4107033209 8214066418 16428132836 78033630971 156067261942 312134523884