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117158009867 is a prime number
BaseRepresentation
bin110110100011100101…
…0010101110000001011
3102012101221110112221122
41231013022111300023
53404414422303432
6125453250425455
711315166436613
oct1550712256013
9365357415848
10117158009867
1145760707948
121a857b9228b
13b0814777c2
145955b11a43
1530aa724612
hex1b47295c0b

117158009867 has 2 divisors, whose sum is σ = 117158009868. Its totient is φ = 117158009866.

The previous prime is 117158009807. The next prime is 117158009929. The reversal of 117158009867 is 768900851711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117158009867 - 26 = 117158009803 is a prime.

It is not a weakly prime, because it can be changed into another prime (117158009807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58579004933 + 58579004934.

It is an arithmetic number, because the mean of its divisors is an integer number (58579004934).

Almost surely, 2117158009867 is an apocalyptic number.

117158009867 is a deficient number, since it is larger than the sum of its proper divisors (1).

117158009867 is an equidigital number, since it uses as much as digits as its factorization.

117158009867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 53.

The spelling of 117158009867 in words is "one hundred seventeen billion, one hundred fifty-eight million, nine thousand, eight hundred sixty-seven".