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1165101397 is a prime number
BaseRepresentation
bin100010101110010…
…0000100101010101
310000012100021122121
41011130200211111
54341231221042
6311340055541
740605125035
oct10534404525
93005307577
101165101397
1154873aa19
122862345b1
131574c5915
14b0a478c5
156c445367
hex45720955

1165101397 has 2 divisors, whose sum is σ = 1165101398. Its totient is φ = 1165101396.

The previous prime is 1165101373. The next prime is 1165101407. The reversal of 1165101397 is 7931015611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1160833041 + 4268356 = 34071^2 + 2066^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1165101397 is a prime.

It is a super-2 number, since 2×11651013972 = 2714922530582703218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1165101347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582550698 + 582550699.

It is an arithmetic number, because the mean of its divisors is an integer number (582550699).

Almost surely, 21165101397 is an apocalyptic number.

It is an amenable number.

1165101397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165101397 is an equidigital number, since it uses as much as digits as its factorization.

1165101397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 1165101397 is about 34133.5816608805. The cubic root of 1165101397 is about 1052.2555886114.

The spelling of 1165101397 in words is "one billion, one hundred sixty-five million, one hundred one thousand, three hundred ninety-seven".