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57245005952 = 27447226609
BaseRepresentation
bin110101010100000100…
…010111100010000000
312110202111120121101122
4311110010113202000
51414214210142302
642144211051412
74064404344041
oct652404274200
9173674517348
1057245005952
112230634a282
12b1172a0b68
135523a5a1b4
142ab0a268c8
1517509583a2
hexd54117880

57245005952 has 16 divisors (see below), whose sum is σ = 114042785550. Its totient is φ = 28622502912.

The previous prime is 57245005921. The next prime is 57245005957. The reversal of 57245005952 is 25950054275.

It can be written as a sum of positive squares in only one way, i.e., 49025045056 + 8219960896 = 221416^2 + 90664^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (57245005957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223613177 + ... + 223613432.

Almost surely, 257245005952 is an apocalyptic number.

It is an amenable number.

57245005952 is a deficient number, since it is larger than the sum of its proper divisors (56797779598).

57245005952 is an equidigital number, since it uses as much as digits as its factorization.

57245005952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447226623 (or 447226611 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 44.

The spelling of 57245005952 in words is "fifty-seven billion, two hundred forty-five million, five thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 447226609 894453218 1788906436 3577812872 7155625744 14311251488 28622502976 57245005952