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57946349793 = 319315449931
BaseRepresentation
bin110101111101110111…
…110010000011100001
312112120101021120021110
4311331313302003201
51422133231143133
642341543213533
74120651563213
oct657567620341
9175511246243
1057946349793
1122636227292
12b2921472a9
13560614a157
142b39c305b3
1517922e3c63
hexd7ddf20e1

57946349793 has 4 divisors (see below), whose sum is σ = 77261799728. Its totient is φ = 38630899860.

The previous prime is 57946349779. The next prime is 57946349803. The reversal of 57946349793 is 39794364975.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 57946349793 - 29 = 57946349281 is a prime.

It is a super-2 number, since 2×579463497932 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57946349393) 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, 9657724963 + ... + 9657724968.

It is an arithmetic number, because the mean of its divisors is an integer number (19315449932).

Almost surely, 257946349793 is an apocalyptic number.

It is an amenable number.

57946349793 is a deficient number, since it is larger than the sum of its proper divisors (19315449935).

57946349793 is a wasteful number, since it uses less digits than its factorization.

57946349793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19315449934.

The product of its digits is 154314720, while the sum is 66.

The spelling of 57946349793 in words is "fifty-seven billion, nine hundred forty-six million, three hundred forty-nine thousand, seven hundred ninety-three".

Divisors: 1 3 19315449931 57946349793