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23030202149 is a prime number
BaseRepresentation
bin10101011100101101…
…001111111100100101
32012110000101111010222
4111130231033330211
5334131212432044
614325133054125
71443465326333
oct253455177445
965400344128
1023030202149
119848a48819
124568927345
132230405166
141186910b53
158ebcc88ee
hex55cb4ff25

23030202149 has 2 divisors, whose sum is σ = 23030202150. Its totient is φ = 23030202148.

The previous prime is 23030202121. The next prime is 23030202161. The reversal of 23030202149 is 94120203032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18436751524 + 4593450625 = 135782^2 + 67775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23030202149 is a prime.

It is a super-3 number, since 3×230302021493 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23030202199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515101074 + 11515101075.

It is an arithmetic number, because the mean of its divisors is an integer number (11515101075).

Almost surely, 223030202149 is an apocalyptic number.

It is an amenable number.

23030202149 is a deficient number, since it is larger than the sum of its proper divisors (1).

23030202149 is an equidigital number, since it uses as much as digits as its factorization.

23030202149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 23030202149 in words is "twenty-three billion, thirty million, two hundred two thousand, one hundred forty-nine".