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23050428805 = 522812021081
BaseRepresentation
bin10101011101111010…
…011010000110000101
32012111102110002220101
4111131322122012011
5334201402210210
614331134404101
71444132261225
oct253572320605
965442402811
1023050428805
119859403368
124573660631
1322346677b1
141189498085
158ed971a3a
hex55de9a185

23050428805 has 8 divisors (see below), whose sum is σ = 27672654744. Its totient is φ = 18432249600.

The previous prime is 23050428787. The next prime is 23050428833. The reversal of 23050428805 is 50882405032.

It can be written as a sum of positive squares in 4 ways, for example, as 5989366881 + 17061061924 = 77391^2 + 130618^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23050428805 - 25 = 23050428773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999136 + ... + 1021945.

It is an arithmetic number, because the mean of its divisors is an integer number (3459081843).

Almost surely, 223050428805 is an apocalyptic number.

It is an amenable number.

23050428805 is a deficient number, since it is larger than the sum of its proper divisors (4622225939).

23050428805 is a wasteful number, since it uses less digits than its factorization.

23050428805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023367.

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 23050428805 in words is "twenty-three billion, fifty million, four hundred twenty-eight thousand, eight hundred five".

Divisors: 1 5 2281 11405 2021081 10105405 4610085761 23050428805