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57166352243 = 71113115349531
BaseRepresentation
bin110101001111011000…
…010100111101110011
312110120000120120210022
4311033120110331303
51414034041232433
642132321154055
74062430655660
oct651730247563
9173500516708
1057166352243
1122275a08610
12b0b4a8b92b
13551067b840
142aa43d0a67
151748abd698
hexd4f614f73

57166352243 has 32 divisors (see below), whose sum is σ = 76822943232. Its totient is φ = 41082163200.

The previous prime is 57166352203. The next prime is 57166352263. The reversal of 57166352243 is 34225366175.

It is not a de Polignac number, because 57166352243 - 214 = 57166335859 is a prime.

It is a super-2 number, since 2×571663522432 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57166352194 and 57166352203.

It is not an unprimeable number, because it can be changed into a prime (57166352203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1129388 + ... + 1178918.

It is an arithmetic number, because the mean of its divisors is an integer number (2400716976).

Almost surely, 257166352243 is an apocalyptic number.

57166352243 is a deficient number, since it is larger than the sum of its proper divisors (19656590989).

57166352243 is a wasteful number, since it uses less digits than its factorization.

57166352243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50715.

The product of its digits is 907200, while the sum is 44.

The spelling of 57166352243 in words is "fifty-seven billion, one hundred sixty-six million, three hundred fifty-two thousand, two hundred forty-three".

Divisors: 1 7 11 13 77 91 143 1001 1153 8071 12683 14989 49531 88781 104923 164879 346717 544841 643903 1154153 3813887 4507321 7082933 49580531 57109243 399764701 628201673 742420159 4397411711 5196941113 8166621749 57166352243