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20102113300 = 2252201021133
BaseRepresentation
bin10010101110001011…
…011110100000010100
31220212221200011100211
4102232023132200110
5312132120111200
613122414015204
71311102100213
oct225613364024
956787604324
1020102113300
118586134285
123a901a7504
131b848ab2c9
14d89aa707a
157c9bdbaba
hex4ae2de814

20102113300 has 18 divisors (see below), whose sum is σ = 43621586078. Its totient is φ = 8040845280.

The previous prime is 20102113279. The next prime is 20102113303. The reversal of 20102113300 is 331120102.

It can be written as a sum of positive squares in 3 ways, for example, as 4464110596 + 15638002704 = 66814^2 + 125052^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102113303) 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, 100510467 + ... + 100510666.

Almost surely, 220102113300 is an apocalyptic number.

20102113300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102113300 is an abundant number, since it is smaller than the sum of its proper divisors (23519472778).

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

20102113300 is a wasteful number, since it uses less digits than its factorization.

20102113300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201021147 (or 201021140 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20102113300 its reverse (331120102), we get a palindrome (20433233402).

The spelling of 20102113300 in words is "twenty billion, one hundred two million, one hundred thirteen thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 201021133 402042266 804084532 1005105665 2010211330 4020422660 5025528325 10051056650 20102113300