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1157095169 is a prime number
BaseRepresentation
bin100010011110111…
…1101111100000001
32222122021112011122
41010331331330001
54332204021134
6310452322025
740450101206
oct10475757401
92878245148
101157095169
115441717aa
12283613315
131559516c9
14ad961cad
156b8b302e
hex44f7df01

1157095169 has 2 divisors, whose sum is σ = 1157095170. Its totient is φ = 1157095168.

The previous prime is 1157095151. The next prime is 1157095183. The reversal of 1157095169 is 9615907511.

1157095169 is nontrivially palindromic in base 8.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1057095169 + 100000000 = 32513^2 + 10000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1157095169 is a prime.

It is a super-2 number, since 2×11570951692 = 2677738460246277122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1157095129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578547584 + 578547585.

It is an arithmetic number, because the mean of its divisors is an integer number (578547585).

Almost surely, 21157095169 is an apocalyptic number.

It is an amenable number.

1157095169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157095169 is an equidigital number, since it uses as much as digits as its factorization.

1157095169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85050, while the sum is 44.

The square root of 1157095169 is about 34016.1016137946. The cubic root of 1157095169 is about 1049.8397847761.

The spelling of 1157095169 in words is "one billion, one hundred fifty-seven million, ninety-five thousand, one hundred sixty-nine".