Search a number
-
+
10112212100 = 2252101122121
BaseRepresentation
bin10010110101011110…
…00001110010000100
3222002201220121012002
421122233001302010
5131202211241400
64351231444432
7505406245634
oct113257016204
928081817162
1010112212100
11431a097691
121b62686718
13c52018673
146bd0126c4
153e2b75ed5
hex25abc1c84

10112212100 has 18 divisors (see below), whose sum is σ = 21943500474. Its totient is φ = 4044884800.

The previous prime is 10112212067. The next prime is 10112212111. The reversal of 10112212100 is 121221101.

It can be written as a sum of positive squares in 3 ways, for example, as 381967936 + 9730244164 = 19544^2 + 98642^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50560961 + ... + 50561160.

Almost surely, 210112212100 is an apocalyptic number.

10112212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10112212100 is an abundant number, since it is smaller than the sum of its proper divisors (11831288374).

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

10112212100 is a wasteful number, since it uses less digits than its factorization.

10112212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101122135 (or 101122128 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10112212100 its reverse (121221101), we get a palindrome (10233433201).

Subtracting from 10112212100 its reverse (121221101), we obtain a palindrome (9990990999).

The spelling of 10112212100 in words is "ten billion, one hundred twelve million, two hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 101122121 202244242 404488484 505610605 1011221210 2022442420 2528053025 5056106050 10112212100