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23550420293 is a prime number
BaseRepresentation
bin10101111011101101…
…101110010101000101
32020210021021022021122
4111323231232111011
5341212401422133
614452515123325
71462413161321
oct257355562505
966707238248
1023550420293
119a95664374
124692ba3545
1322b4118a4a
1411d5a4a981
1592c7d7498
hex57bb6e545

23550420293 has 2 divisors, whose sum is σ = 23550420294. Its totient is φ = 23550420292.

The previous prime is 23550420259. The next prime is 23550420301. The reversal of 23550420293 is 39202405532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14280967009 + 9269453284 = 119503^2 + 96278^2 .

It is a cyclic number.

It is not a de Polignac number, because 23550420293 - 220 = 23549371717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23550420233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11775210146 + 11775210147.

It is an arithmetic number, because the mean of its divisors is an integer number (11775210147).

Almost surely, 223550420293 is an apocalyptic number.

It is an amenable number.

23550420293 is a deficient number, since it is larger than the sum of its proper divisors (1).

23550420293 is an equidigital number, since it uses as much as digits as its factorization.

23550420293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 23550420293 in words is "twenty-three billion, five hundred fifty million, four hundred twenty thousand, two hundred ninety-three".