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10091009161 is a prime number
BaseRepresentation
bin10010110010111100…
…01001010010001001
3222001021000101020001
421121132021102021
5131131244243121
64345153203001
7505031106532
oct113136112211
928037011201
1010091009161
1143091255a2
121b57560461
13c4a80384c
146ba293689
153e0d88991
hex259789489

10091009161 has 2 divisors, whose sum is σ = 10091009162. Its totient is φ = 10091009160.

The previous prime is 10091009111. The next prime is 10091009183. The reversal of 10091009161 is 16190019001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6848390025 + 3242619136 = 82755^2 + 56944^2 .

It is a cyclic number.

It is not a de Polignac number, because 10091009161 - 227 = 9956791433 is a prime.

It is not a weakly prime, because it can be changed into another prime (10091009101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5045504580 + 5045504581.

It is an arithmetic number, because the mean of its divisors is an integer number (5045504581).

Almost surely, 210091009161 is an apocalyptic number.

It is an amenable number.

10091009161 is a deficient number, since it is larger than the sum of its proper divisors (1).

10091009161 is an equidigital number, since it uses as much as digits as its factorization.

10091009161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 28.

The spelling of 10091009161 in words is "ten billion, ninety-one million, nine thousand, one hundred sixty-one".