Base | Representation |
---|---|
bin | 10010101110001011… |
… | …011110100000010100 |
3 | 1220212221200011100211 |
4 | 102232023132200110 |
5 | 312132120111200 |
6 | 13122414015204 |
7 | 1311102100213 |
oct | 225613364024 |
9 | 56787604324 |
10 | 20102113300 |
11 | 8586134285 |
12 | 3a901a7504 |
13 | 1b848ab2c9 |
14 | d89aa707a |
15 | 7c9bdbaba |
hex | 4ae2de814 |
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".
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