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52457461157 is a prime number
BaseRepresentation
bin110000110110101101…
…010101010110100101
312000101211222010120202
4300312231111112211
51324413102224112
640033145240245
73534642030353
oct606655252645
9160354863522
1052457461157
1120279961a92
12a1bba93085
134c3cc26b5a
142778c6a7d3
1515704bb6c2
hexc36b555a5

52457461157 has 2 divisors, whose sum is σ = 52457461158. Its totient is φ = 52457461156.

The previous prime is 52457461129. The next prime is 52457461169. The reversal of 52457461157 is 75116475425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41107968001 + 11349493156 = 202751^2 + 106534^2 .

It is a cyclic number.

It is not a de Polignac number, because 52457461157 - 214 = 52457444773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52457461957) 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 as a sum of consecutive naturals, namely, 26228730578 + 26228730579.

It is an arithmetic number, because the mean of its divisors is an integer number (26228730579).

Almost surely, 252457461157 is an apocalyptic number.

It is an amenable number.

52457461157 is a deficient number, since it is larger than the sum of its proper divisors (1).

52457461157 is an equidigital number, since it uses as much as digits as its factorization.

52457461157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176000, while the sum is 47.

The spelling of 52457461157 in words is "fifty-two billion, four hundred fifty-seven million, four hundred sixty-one thousand, one hundred fifty-seven".