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57125110247 is a prime number
BaseRepresentation
bin110101001100111011…
…000000000111100111
312110110010222021101222
4311030323000013213
51413443012011442
642124245210555
74061420265632
oct651473000747
9173403867358
1057125110247
11222546a9917
12b0a3100a5b
135504c6b8aa
142a9cb36c19
1517451738d2
hexd4cec01e7

57125110247 has 2 divisors, whose sum is σ = 57125110248. Its totient is φ = 57125110246.

The previous prime is 57125110199. The next prime is 57125110249. The reversal of 57125110247 is 74201152175.

57125110247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57125110247 is a prime.

Together with 57125110249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57125110249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28562555123 + 28562555124.

It is an arithmetic number, because the mean of its divisors is an integer number (28562555124).

Almost surely, 257125110247 is an apocalyptic number.

57125110247 is a deficient number, since it is larger than the sum of its proper divisors (1).

57125110247 is an equidigital number, since it uses as much as digits as its factorization.

57125110247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19600, while the sum is 35.

The spelling of 57125110247 in words is "fifty-seven billion, one hundred twenty-five million, one hundred ten thousand, two hundred forty-seven".