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23400105132 = 2231999799039
BaseRepresentation
bin10101110010110000…
…010100010010101100
32020101210102111122110
4111302300110102230
5340410411331012
614425545244020
71455606416565
oct256260242254
966353374573
1023400105132
119a18827368
124650793610
13228bc39571
1411bdabd16c
1591e4e473c
hex572c144ac

23400105132 has 24 divisors (see below), whose sum is σ = 54874624000. Its totient is φ = 7760838096.

The previous prime is 23400105077. The next prime is 23400105137. The reversal of 23400105132 is 23150100432.

It is a junction number, because it is equal to n+sod(n) for n = 23400105099 and 23400105108.

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, 4897132 + ... + 4901907.

Almost surely, 223400105132 is an apocalyptic number.

It is an amenable number.

23400105132 is an abundant number, since it is smaller than the sum of its proper divisors (31474518868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23400105132 is a wasteful number, since it uses less digits than its factorization.

23400105132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9799245 (or 9799243 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 23400105132 its reverse (23150100432), we get a palindrome (46550205564).

The spelling of 23400105132 in words is "twenty-three billion, four hundred million, one hundred five thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 199 398 597 796 1194 2388 9799039 19598078 29397117 39196156 58794234 117588468 1950008761 3900017522 5850026283 7800035044 11700052566 23400105132