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57485509499 = 1111346247393
BaseRepresentation
bin110101100010011001…
…110100001101111011
312111101021010110020102
4311202121310031323
51420212242300444
642224121550015
74103354524415
oct654231641573
9174337113212
1057485509499
112241a087140
12b18394530b
1355618262a2
142ad494d9b5
151766b1384e
hexd6267437b

57485509499 has 8 divisors (see below), whose sum is σ = 63266434992. Its totient is φ = 51797079040.

The previous prime is 57485509457. The next prime is 57485509507. The reversal of 57485509499 is 99490558475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57485509499 - 224 = 57468732283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57485509099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23122454 + ... + 23124939.

It is an arithmetic number, because the mean of its divisors is an integer number (7908304374).

Almost surely, 257485509499 is an apocalyptic number.

57485509499 is a deficient number, since it is larger than the sum of its proper divisors (5780925493).

57485509499 is a wasteful number, since it uses less digits than its factorization.

57485509499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46247517.

The product of its (nonzero) digits is 81648000, while the sum is 65.

The spelling of 57485509499 in words is "fifty-seven billion, four hundred eighty-five million, five hundred nine thousand, four hundred ninety-nine".

Divisors: 1 11 113 1243 46247393 508721323 5225955409 57485509499