Search a number
-
+
57007022197 is a prime number
BaseRepresentation
bin110101000101111000…
…100010000001110101
312110010220202210001111
4311011320202001311
51413222244202242
642104430155021
74055454456616
oct650570420165
9173126683044
1057007022197
11221a3a83594
12b06b652a71
1354b6663cc8
142a8b197c0d
151739ae9817
hexd45e22075

57007022197 has 2 divisors, whose sum is σ = 57007022198. Its totient is φ = 57007022196.

The previous prime is 57007022129. The next prime is 57007022201. The reversal of 57007022197 is 79122070075.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53465463076 + 3541559121 = 231226^2 + 59511^2 .

It is a cyclic number.

It is not a de Polignac number, because 57007022197 - 219 = 57006497909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57007022497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28503511098 + 28503511099.

It is an arithmetic number, because the mean of its divisors is an integer number (28503511099).

Almost surely, 257007022197 is an apocalyptic number.

It is an amenable number.

57007022197 is a deficient number, since it is larger than the sum of its proper divisors (1).

57007022197 is an equidigital number, since it uses as much as digits as its factorization.

57007022197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740, while the sum is 40.

The spelling of 57007022197 in words is "fifty-seven billion, seven million, twenty-two thousand, one hundred ninety-seven".