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22102182149 is a prime number
BaseRepresentation
bin10100100101011001…
…001000100100000101
32010001100011012000212
4110211121020210011
5330231124312044
614053102245205
71411466306555
oct244531104405
963040135025
1022102182149
119412118643
124349b86805
13211307aab8
1410d957d165
158955b4a9e
hex525648905

22102182149 has 2 divisors, whose sum is σ = 22102182150. Its totient is φ = 22102182148.

The previous prime is 22102182139. The next prime is 22102182169. The reversal of 22102182149 is 94128120122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14182428100 + 7919754049 = 119090^2 + 88993^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102182149 - 212 = 22102178053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22102182139) 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, 11051091074 + 11051091075.

It is an arithmetic number, because the mean of its divisors is an integer number (11051091075).

Almost surely, 222102182149 is an apocalyptic number.

It is an amenable number.

22102182149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102182149 is an equidigital number, since it uses as much as digits as its factorization.

22102182149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 22102182149 in words is "twenty-two billion, one hundred two million, one hundred eighty-two thousand, one hundred forty-nine".