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312668852224 = 21287372
BaseRepresentation
bin1001000110011001000…
…01000001000000000000
31002220001102121101212011
410203030201001000000
520110321211232344
6355345454342304
731406140251511
oct4431441010000
91086042541764
10312668852224
11110669463503
12507201ba994
132363b718281
14111c190aa08
1581ee9ecd34
hex48cc841000

312668852224 has 39 divisors (see below), whose sum is σ = 625332942237. Its totient is φ = 156316532736.

The previous prime is 312668852207. The next prime is 312668852291. The reversal of 312668852224 is 422258866213.

The square root of 312668852224 is 559168.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 118336000000 + 194332852224 = 344000^2 + 440832^2 .

It is a super-2 number, since 2×3126688522242 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 35782384 + ... + 35791120.

Almost surely, 2312668852224 is an apocalyptic number.

312668852224 is the 559168-th square number.

It is an amenable number.

312668852224 is a deficient number, since it is larger than the sum of its proper divisors (312664090013).

312668852224 is an frugal number, since it uses more digits than its factorization.

312668852224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17498 (or 8739 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 49.

Multiplying 312668852224 by its sum of digits (49), we get a square (15320773758976 = 39141762).

The spelling of 312668852224 in words is "three hundred twelve billion, six hundred sixty-eight million, eight hundred fifty-two thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8737 17474 34948 69896 139792 279584 559168 1118336 2236672 4473344 8946688 17893376 35786752 76335169 152670338 305340676 610681352 1221362704 2442725408 4885450816 9770901632 19541803264 39083606528 78167213056 156334426112 312668852224