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23273785093 = 131790291161
BaseRepresentation
bin10101101011001110…
…011100011100000101
32020001222201210010111
4111223032130130011
5340131042110333
614405233553021
71452513623566
oct255316343405
966058653114
1023273785093
119963499239
124616415771
13226ba0ba90
1411aadda16d
159133914cd
hex56b39c705

23273785093 has 4 divisors (see below), whose sum is σ = 25064076268. Its totient is φ = 21483493920.

The previous prime is 23273785081. The next prime is 23273785097. The reversal of 23273785093 is 39058737232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2317748449 + 20956036644 = 48143^2 + 144762^2 .

It is a cyclic number.

It is not a de Polignac number, because 23273785093 - 225 = 23240230661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23273785097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895145568 + ... + 895145593.

It is an arithmetic number, because the mean of its divisors is an integer number (6266019067).

Almost surely, 223273785093 is an apocalyptic number.

It is an amenable number.

23273785093 is a deficient number, since it is larger than the sum of its proper divisors (1790291175).

23273785093 is a wasteful number, since it uses less digits than its factorization.

23273785093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790291174.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 23273785093 in words is "twenty-three billion, two hundred seventy-three million, seven hundred eighty-five thousand, ninety-three".

Divisors: 1 13 1790291161 23273785093