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57079874251 is a prime number
BaseRepresentation
bin110101001010001110…
…011100001011001011
312110022222212001021201
4311022032130023023
51413344421434001
642115551445031
74060330632361
oct651216341313
9173288761251
1057079874251
11222311123a4
12b08bb26777
1354c8790a2a
142a96b1d631
1517411da501
hexd4a39c2cb

57079874251 has 2 divisors, whose sum is σ = 57079874252. Its totient is φ = 57079874250.

The previous prime is 57079874221. The next prime is 57079874281. The reversal of 57079874251 is 15247897075.

57079874251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (57079874221) and next prime (57079874281).

It is a cyclic number.

It is not a de Polignac number, because 57079874251 - 27 = 57079874123 is a prime.

It is a super-2 number, since 2×570798742512 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57079874192 and 57079874201.

It is not a weakly prime, because it can be changed into another prime (57079874221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28539937125 + 28539937126.

It is an arithmetic number, because the mean of its divisors is an integer number (28539937126).

Almost surely, 257079874251 is an apocalyptic number.

57079874251 is a deficient number, since it is larger than the sum of its proper divisors (1).

57079874251 is an equidigital number, since it uses as much as digits as its factorization.

57079874251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4939200, while the sum is 55.

The spelling of 57079874251 in words is "fifty-seven billion, seventy-nine million, eight hundred seventy-four thousand, two hundred fifty-one".