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312110320120 = 23516347869681
BaseRepresentation
bin1001000101010110011…
…10011000100111111000
31002211121111122000211221
410202223032120213320
520103200220220440
6355214223201424
731356245643154
oct4425316304770
91084544560757
10312110320120
11110402159025
12505a5146274
132357caab3c1
141116b67a064
1581ba971d4a
hex48ab3989f8

312110320120 has 32 divisors (see below), whose sum is σ = 706556506320. Its totient is φ = 124078210560.

The previous prime is 312110320087. The next prime is 312110320139. The reversal of 312110320120 is 21023011213.

It is a junction number, because it is equal to n+sod(n) for n = 312110320094 and 312110320103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23928321 + ... + 23941360.

Almost surely, 2312110320120 is an apocalyptic number.

It is an amenable number.

312110320120 is an abundant number, since it is smaller than the sum of its proper divisors (394446186200).

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

312110320120 is a wasteful number, since it uses less digits than its factorization.

312110320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47869855 (or 47869851 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 312110320120 its reverse (21023011213), we get a palindrome (333133331333).

The spelling of 312110320120 in words is "three hundred twelve billion, one hundred ten million, three hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 163 326 652 815 1304 1630 3260 6520 47869681 95739362 191478724 239348405 382957448 478696810 957393620 1914787240 7802758003 15605516006 31211032012 39013790015 62422064024 78027580030 156055160060 312110320120