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57124837249 is a prime number
BaseRepresentation
bin110101001100111001…
…111101011110000001
312110110010110101220221
4311030321331132001
51413442424242444
642124235303041
74061415051004
oct651471753601
9173403411827
1057124837249
11222545327a7
12b0a2baaa81
135504ba455c
142a9caa553b
15174511ca84
hexd4ce7d781

57124837249 has 2 divisors, whose sum is σ = 57124837250. Its totient is φ = 57124837248.

The previous prime is 57124837097. The next prime is 57124837261. The reversal of 57124837249 is 94273842175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44024432400 + 13100404849 = 209820^2 + 114457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57124837249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57124837196 and 57124837205.

It is not a weakly prime, because it can be changed into another prime (57124831249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28562418624 + 28562418625.

It is an arithmetic number, because the mean of its divisors is an integer number (28562418625).

Almost surely, 257124837249 is an apocalyptic number.

It is an amenable number.

57124837249 is a deficient number, since it is larger than the sum of its proper divisors (1).

57124837249 is an equidigital number, since it uses as much as digits as its factorization.

57124837249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 52.

The spelling of 57124837249 in words is "fifty-seven billion, one hundred twenty-four million, eight hundred thirty-seven thousand, two hundred forty-nine".