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23110402100 = 2252231104021
BaseRepresentation
bin10101100001011111…
…001100000000110100
32012122121022001210112
4111201133030000310
5334312230331400
614341120042152
71445461114412
oct254137140064
965577261715
1023110402100
11988a246175
12458b763358
132243c05556
14119342a2b2
15903d6b835
hex5617cc034

23110402100 has 18 divisors (see below), whose sum is σ = 50149572774. Its totient is φ = 9244160800.

The previous prime is 23110402097. The next prime is 23110402103. The reversal of 23110402100 is 120401132.

It is an interprime number because it is at equal distance from previous prime (23110402097) and next prime (23110402103).

It can be written as a sum of positive squares in 3 ways, for example, as 1509633316 + 21600768784 = 38854^2 + 146972^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23110402103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115551911 + ... + 115552110.

Almost surely, 223110402100 is an apocalyptic number.

23110402100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23110402100 is an abundant number, since it is smaller than the sum of its proper divisors (27039170674).

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

23110402100 is a wasteful number, since it uses less digits than its factorization.

23110402100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231104035 (or 231104028 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 23110402100 its reverse (120401132), we get a palindrome (23230803232).

The spelling of 23110402100 in words is "twenty-three billion, one hundred ten million, four hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 231104021 462208042 924416084 1155520105 2311040210 4622080420 5777600525 11555201050 23110402100