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57130832761 is a prime number
BaseRepresentation
bin110101001101010000…
…110101001101111001
312110110112202000012221
4311031100311031321
51414000443122021
642125012004041
74061520031432
oct651520651571
9173415660187
1057130832761
1122257958272
12b0a5000621
1355061c34b2
142a9d7c6489
151745904241
hexd4d435379

57130832761 has 2 divisors, whose sum is σ = 57130832762. Its totient is φ = 57130832760.

The previous prime is 57130832711. The next prime is 57130832849. The reversal of 57130832761 is 16723803175.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50464926736 + 6665906025 = 224644^2 + 81645^2 .

It is a cyclic number.

It is not a de Polignac number, because 57130832761 - 215 = 57130799993 is a prime.

It is not a weakly prime, because it can be changed into another prime (57130832701) 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, 28565416380 + 28565416381.

It is an arithmetic number, because the mean of its divisors is an integer number (28565416381).

Almost surely, 257130832761 is an apocalyptic number.

It is an amenable number.

57130832761 is a deficient number, since it is larger than the sum of its proper divisors (1).

57130832761 is an equidigital number, since it uses as much as digits as its factorization.

57130832761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 57130832761 in words is "fifty-seven billion, one hundred thirty million, eight hundred thirty-two thousand, seven hundred sixty-one".