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91105130159 is a prime number
BaseRepresentation
bin101010011011001001…
…0011111011010101111
322201011021101010200222
41110312102133122233
52443040403131114
6105504135041555
76403445554241
oct1246622373257
9281137333628
1091105130159
113570151a7aa
12157a6b102bb
13878ba7b054
1445a39b4091
1525833c798e
hex153649f6af

91105130159 has 2 divisors, whose sum is σ = 91105130160. Its totient is φ = 91105130158.

The previous prime is 91105130143. The next prime is 91105130161. The reversal of 91105130159 is 95103150119.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91105130159 - 24 = 91105130143 is a prime.

Together with 91105130161, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91105130189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45552565079 + 45552565080.

It is an arithmetic number, because the mean of its divisors is an integer number (45552565080).

Almost surely, 291105130159 is an apocalyptic number.

91105130159 is a deficient number, since it is larger than the sum of its proper divisors (1).

91105130159 is an equidigital number, since it uses as much as digits as its factorization.

91105130159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6075, while the sum is 35.

The spelling of 91105130159 in words is "ninety-one billion, one hundred five million, one hundred thirty thousand, one hundred fifty-nine".