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57804432407 = 87316620597
BaseRepresentation
bin110101110101011010…
…011010010000010111
312112012111020102012222
4311311122122100113
51421340413314112
642315513332555
74114306366001
oct656532322027
9175174212188
1057804432407
1122573105697
12b25270715b
1355b291b177
142b2504b371
151784b0e372
hexd7569a417

57804432407 has 4 divisors (see below), whose sum is σ = 57811061736. Its totient is φ = 57797803080.

The previous prime is 57804432377. The next prime is 57804432443. The reversal of 57804432407 is 70423440875.

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

It is a cyclic number.

It is not a de Polignac number, because 57804432407 - 28 = 57804432151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57804435407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3301568 + ... + 3319029.

It is an arithmetic number, because the mean of its divisors is an integer number (14452765434).

Almost surely, 257804432407 is an apocalyptic number.

57804432407 is a deficient number, since it is larger than the sum of its proper divisors (6629329).

57804432407 is an equidigital number, since it uses as much as digits as its factorization.

57804432407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6629328.

The product of its (nonzero) digits is 752640, while the sum is 44.

The spelling of 57804432407 in words is "fifty-seven billion, eight hundred four million, four hundred thirty-two thousand, four hundred seven".

Divisors: 1 8731 6620597 57804432407