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57445464704 = 27448792693
BaseRepresentation
bin110101100000000001…
…000011101010000000
312111021110202222002212
4311200001003222000
51420122014332304
642220131401252
74102360251635
oct654001035200
9174243688085
1057445464704
11223a9515971
12b172453228
135556445244
142acd4c818c
15176335366e
hexd60043a80

57445464704 has 16 divisors (see below), whose sum is σ = 114442136970. Its totient is φ = 28722732288.

The previous prime is 57445464701. The next prime is 57445464721. The reversal of 57445464704 is 40746454475.

It can be written as a sum of positive squares in only one way, i.e., 56571671104 + 873793600 = 237848^2 + 29560^2 .

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 (57445464701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224396219 + ... + 224396474.

Almost surely, 257445464704 is an apocalyptic number.

It is an amenable number.

57445464704 is a deficient number, since it is larger than the sum of its proper divisors (56996672266).

57445464704 is an equidigital number, since it uses as much as digits as its factorization.

57445464704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448792707 (or 448792695 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 50.

The spelling of 57445464704 in words is "fifty-seven billion, four hundred forty-five million, four hundred sixty-four thousand, seven hundred four".

Divisors: 1 2 4 8 16 32 64 128 448792693 897585386 1795170772 3590341544 7180683088 14361366176 28722732352 57445464704