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57288332641 = 350691633589
BaseRepresentation
bin110101010110101001…
…101001010101100001
312110212112002211102211
4311112221221111201
51414311303121031
642152355442121
74065441535651
oct652651512541
9173775084384
1057288332641
1122328852261
12b1298b6341
13552ca19ca7
142ab66a4361
151754665bb1
hexd56a69561

57288332641 has 4 divisors (see below), whose sum is σ = 57290001300. Its totient is φ = 57286663984.

The previous prime is 57288332639. The next prime is 57288332653. The reversal of 57288332641 is 14623388275.

57288332641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53947030225 + 3341302416 = 232265^2 + 57804^2 .

It is a cyclic number.

It is not a de Polignac number, because 57288332641 - 21 = 57288332639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57288332611) 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, 781726 + ... + 851863.

It is an arithmetic number, because the mean of its divisors is an integer number (14322500325).

Almost surely, 257288332641 is an apocalyptic number.

It is an amenable number.

57288332641 is a deficient number, since it is larger than the sum of its proper divisors (1668659).

57288332641 is a wasteful number, since it uses less digits than its factorization.

57288332641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668658.

The product of its digits is 1935360, while the sum is 49.

The spelling of 57288332641 in words is "fifty-seven billion, two hundred eighty-eight million, three hundred thirty-two thousand, six hundred forty-one".

Divisors: 1 35069 1633589 57288332641