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23101232100 = 2235277004107
BaseRepresentation
bin10101100000111100…
…001101001111100100
32012121222001011220220
4111200330031033210
5334302403411400
614340151324340
71445320142622
oct254074151744
965558034826
1023101232100
119885052661
1245886806b0
13224204470b
141192120512
159031597a0
hex560f0d3e4

23101232100 has 36 divisors (see below), whose sum is σ = 66839565744. Its totient is φ = 6160328480.

The previous prime is 23101232083. The next prime is 23101232107. The reversal of 23101232100 is 123210132.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23101232100.

It is not an unprimeable number, because it can be changed into a prime (23101232107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38501754 + ... + 38502353.

It is an arithmetic number, because the mean of its divisors is an integer number (1856654604).

Almost surely, 223101232100 is an apocalyptic number.

23101232100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23101232100 is an abundant number, since it is smaller than the sum of its proper divisors (43738333644).

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

23101232100 is a wasteful number, since it uses less digits than its factorization.

23101232100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77004124 (or 77004117 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23101232100 its reverse (123210132), we get a palindrome (23224442232).

The spelling of 23101232100 in words is "twenty-three billion, one hundred one million, two hundred thirty-two thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 77004107 154008214 231012321 308016428 385020535 462024642 770041070 924049284 1155061605 1540082140 1925102675 2310123210 3850205350 4620246420 5775308025 7700410700 11550616050 23101232100