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312396660844 = 22197396442463
BaseRepresentation
bin1001000101111000100…
…10101100000001101100
31002212100110102122110221
410202330102230001230
520104242021121334
6355302452341124
731366323542602
oct4427422540154
91085313378427
10312396660844
11110539853054
12506650147a4
13235c7205b98
14111976d5872
1581d5b838b4
hex48bc4ac06c

312396660844 has 12 divisors (see below), whose sum is σ = 549469255104. Its totient is φ = 155405445104.

The previous prime is 312396660817. The next prime is 312396660847. The reversal of 312396660844 is 448066693213.

It is a junction number, because it is equal to n+sod(n) for n = 312396660791 and 312396660800.

It is not an unprimeable number, because it can be changed into a prime (312396660847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198220444 + ... + 198222019.

It is an arithmetic number, because the mean of its divisors is an integer number (45789104592).

Almost surely, 2312396660844 is an apocalyptic number.

It is an amenable number.

312396660844 is a deficient number, since it is larger than the sum of its proper divisors (237072594260).

312396660844 is a wasteful number, since it uses less digits than its factorization.

312396660844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396442664 (or 396442662 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 312396660844 in words is "three hundred twelve billion, three hundred ninety-six million, six hundred sixty thousand, eight hundred forty-four".

Divisors: 1 2 4 197 394 788 396442463 792884926 1585769852 78099165211 156198330422 312396660844