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57539872341 = 33721729471877
BaseRepresentation
bin110101100101101001…
…001100011001010101
312111112001102101001000
4311211221030121111
51420320201403331
642233343053513
74104614562600
oct654551143125
9174461371030
1057539872341
1122447837806
12b199ba1299
13556cb7b453
142adbc61337
15176b7a10e6
hexd65a4c655

57539872341 has 192 divisors, whose sum is σ = 110985292800. Its totient is φ = 29227419648.

The previous prime is 57539872321. The next prime is 57539872343. The reversal of 57539872341 is 14327893575.

57539872341 is a `hidden beast` number, since 5 + 7 + 539 + 8 + 72 + 34 + 1 = 666.

57539872341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57539872341 - 25 = 57539872309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57539872343) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 30654295 + ... + 30656171.

It is an arithmetic number, because the mean of its divisors is an integer number (578048400).

Almost surely, 257539872341 is an apocalyptic number.

57539872341 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

57539872341 is a deficient number, since it is larger than the sum of its proper divisors (53445420459).

57539872341 is a wasteful number, since it uses less digits than its factorization.

57539872341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993 (or 1980 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The spelling of 57539872341 in words is "fifty-seven billion, five hundred thirty-nine million, eight hundred seventy-two thousand, three hundred forty-one".