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57171126513 = 327943681997
BaseRepresentation
bin110101001111101010…
…100010100011110001
312110120100120010212010
4311033222202203301
51414041302022023
642133011353133
74062516362064
oct651752424361
9173510503763
1057171126513
1122278679596
12b0b65b27a9
135511660957
142aa4cb48db
151749213093
hexd4faa28f1

57171126513 has 8 divisors (see below), whose sum is σ = 76231008448. Its totient is φ = 38112664464.

The previous prime is 57171126491. The next prime is 57171126517. The reversal of 57171126513 is 31562117175.

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

It is not a de Polignac number, because 57171126513 - 26 = 57171126449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57171126517) 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 7 ways as a sum of consecutive naturals, for example, 257170 + ... + 424827.

It is an arithmetic number, because the mean of its divisors is an integer number (9528876056).

Almost surely, 257171126513 is an apocalyptic number.

It is an amenable number.

57171126513 is a deficient number, since it is larger than the sum of its proper divisors (19059881935).

57171126513 is a wasteful number, since it uses less digits than its factorization.

57171126513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709943.

The product of its digits is 44100, while the sum is 39.

The spelling of 57171126513 in words is "fifty-seven billion, one hundred seventy-one million, one hundred twenty-six thousand, five hundred thirteen".

Divisors: 1 3 27943 83829 681997 2045991 19057042171 57171126513