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57517401049 is a prime number
BaseRepresentation
bin110101100100010011…
…011110001111011001
312111110111010201012221
4311210103132033121
51420243423313144
642231221304041
74104222561613
oct654423361731
9174414121187
1057517401049
1122436089799
12b192565021
135568311224
142ad8c91db3
151769812d84
hexd644de3d9

57517401049 has 2 divisors, whose sum is σ = 57517401050. Its totient is φ = 57517401048.

The previous prime is 57517401017. The next prime is 57517401059. The reversal of 57517401049 is 94010471575.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37736947600 + 19780453449 = 194260^2 + 140643^2 .

It is a cyclic number.

It is not a de Polignac number, because 57517401049 - 25 = 57517401017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57517400996 and 57517401014.

It is not a weakly prime, because it can be changed into another prime (57517401059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28758700524 + 28758700525.

It is an arithmetic number, because the mean of its divisors is an integer number (28758700525).

Almost surely, 257517401049 is an apocalyptic number.

It is an amenable number.

57517401049 is a deficient number, since it is larger than the sum of its proper divisors (1).

57517401049 is an equidigital number, since it uses as much as digits as its factorization.

57517401049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 57517401049 in words is "fifty-seven billion, five hundred seventeen million, four hundred one thousand, forty-nine".