Search a number
-
+
57648007169 is a prime number
BaseRepresentation
bin110101101100000101…
…101100100000000001
312111210120220012010122
4311230011230200001
51421030342212134
642252204510025
74110366655514
oct655405544001
9174716805118
1057648007169
11224a2885035
12b20a24b315
1355893ac85c
142b0c36cd7b
15177601102e
hexd6c16c801

57648007169 has 2 divisors, whose sum is σ = 57648007170. Its totient is φ = 57648007168.

The previous prime is 57648007133. The next prime is 57648007181. The reversal of 57648007169 is 96170084675.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57408160000 + 239847169 = 239600^2 + 15487^2 .

It is a cyclic number.

It is not a de Polignac number, because 57648007169 - 212 = 57648003073 is a prime.

It is a super-2 number, since 2×576480071692 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57648007169.

It is not a weakly prime, because it can be changed into another prime (57648000169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28824003584 + 28824003585.

It is an arithmetic number, because the mean of its divisors is an integer number (28824003585).

Almost surely, 257648007169 is an apocalyptic number.

It is an amenable number.

57648007169 is a deficient number, since it is larger than the sum of its proper divisors (1).

57648007169 is an equidigital number, since it uses as much as digits as its factorization.

57648007169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 57648007169 in words is "fifty-seven billion, six hundred forty-eight million, seven thousand, one hundred sixty-nine".