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312132022124 = 221313943183733
BaseRepresentation
bin1001000101011001000…
…01001010111101101100
31002211200000110121101212
410202230201022331230
520103221244201444
6355220320253552
731356631261256
oct4425441127554
91084600417355
10312132022124
1111041343106a
12505b04712b8
1323584439420
14111704c8cd6
1581bc80c19e
hex48ac84af6c

312132022124 has 24 divisors (see below), whose sum is σ = 592480830480. Its totient is φ = 143024520384.

The previous prime is 312132022121. The next prime is 312132022127. The reversal of 312132022124 is 421220231213.

It is an interprime number because it is at equal distance from previous prime (312132022121) and next prime (312132022127).

It is a self number, because there is not a number n which added to its sum of digits gives 312132022124.

It is not an unprimeable number, because it can be changed into a prime (312132022121) 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, 21584639 + ... + 21599094.

It is an arithmetic number, because the mean of its divisors is an integer number (24686701270).

Almost surely, 2312132022124 is an apocalyptic number.

It is an amenable number.

312132022124 is a deficient number, since it is larger than the sum of its proper divisors (280348808356).

312132022124 is a wasteful number, since it uses less digits than its factorization.

312132022124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43183889 (or 43183887 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 312132022124 its reverse (421220231213), we get a palindrome (733352253337).

The spelling of 312132022124 in words is "three hundred twelve billion, one hundred thirty-two million, twenty-two thousand, one hundred twenty-four".

Divisors: 1 2 4 13 26 52 139 278 556 1807 3614 7228 43183733 86367466 172734932 561388529 1122777058 2245554116 6002538887 12005077774 24010155548 78033005531 156066011062 312132022124