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23400105133 = 292254135797
BaseRepresentation
bin10101110010110000…
…010100010010101101
32020101210102111122111
4111302300110102231
5340410411331013
614425545244021
71455606416566
oct256260242255
966353374574
1023400105133
119a18827369
124650793611
13228bc39572
1411bdabd16d
1591e4e473d
hex572c144ad

23400105133 has 8 divisors (see below), whose sum is σ = 24208755480. Its totient is φ = 22591571520.

The previous prime is 23400105077. The next prime is 23400105137. The reversal of 23400105133 is 33150100432.

It can be written as a sum of positive squares in 4 ways, for example, as 2155002084 + 21245103049 = 46422^2 + 145757^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23400105133 - 29 = 23400104621 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 (23400105137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635791 + ... + 671587.

It is an arithmetic number, because the mean of its divisors is an integer number (3026094435).

Almost surely, 223400105133 is an apocalyptic number.

It is an amenable number.

23400105133 is a deficient number, since it is larger than the sum of its proper divisors (808650347).

23400105133 is a wasteful number, since it uses less digits than its factorization.

23400105133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58367.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 23400105133 its reverse (33150100432), we get a palindrome (56550205565).

The spelling of 23400105133 in words is "twenty-three billion, four hundred million, one hundred five thousand, one hundred thirty-three".

Divisors: 1 29 22541 35797 653689 1038113 806900177 23400105133