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57352577644 = 2267721178943
BaseRepresentation
bin110101011010011110…
…101110001001101100
312111000222222211000101
4311122132232021230
51414424224441034
642203012440444
74100151603115
oct653236561154
9174028884011
1057352577644
11223610424aa
12b147319124
13554012219b
142ac102920c
15175a106514
hexd5a7ae26c

57352577644 has 12 divisors (see below), whose sum is σ = 100515268224. Its totient is φ = 28633929584.

The previous prime is 57352577641. The next prime is 57352577669. The reversal of 57352577644 is 44677525375.

It is a super-2 number, since 2×573525776442 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57352577641) 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, 10586764 + ... + 10592179.

It is an arithmetic number, because the mean of its divisors is an integer number (8376272352).

Almost surely, 257352577644 is an apocalyptic number.

It is an amenable number.

57352577644 is a deficient number, since it is larger than the sum of its proper divisors (43162690580).

57352577644 is a wasteful number, since it uses less digits than its factorization.

57352577644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21179624 (or 21179622 counting only the distinct ones).

The product of its digits is 24696000, while the sum is 55.

The spelling of 57352577644 in words is "fifty-seven billion, three hundred fifty-two million, five hundred seventy-seven thousand, six hundred forty-four".

Divisors: 1 2 4 677 1354 2708 21178943 42357886 84715772 14338144411 28676288822 57352577644