Base | Representation |
---|---|
bin | 10010101000110100… |
… | …001001110110010100 |
3 | 1220122200022200120111 |
4 | 102220310021312110 |
5 | 311441100111200 |
6 | 13105441012404 |
7 | 1305630104434 |
oct | 225064116624 |
9 | 56580280514 |
10 | 20012113300 |
11 | 853a352a13 |
12 | 3a66024104 |
13 | 1b6c05937a |
14 | d7bb5a2c4 |
15 | 7c1d600ba |
hex | 4a8d09d94 |
20012113300 has 36 divisors (see below), whose sum is σ = 43454585916. Its totient is φ = 7999628800.
The previous prime is 20012113229. The next prime is 20012113301. The reversal of 20012113300 is 331121002.
It can be written as a sum of positive squares in 6 ways, for example, as 4738119556 + 15273993744 = 68834^2 + 123588^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20012113301) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90870 + ... + 219730.
It is an arithmetic number, because the mean of its divisors is an integer number (1207071831).
Almost surely, 220012113300 is an apocalyptic number.
20012113300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20012113300 is an abundant number, since it is smaller than the sum of its proper divisors (23442472616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20012113300 is a wasteful number, since it uses less digits than its factorization.
20012113300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130428 (or 130421 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 20012113300 its reverse (331121002), we get a palindrome (20343234302).
The spelling of 20012113300 in words is "twenty billion, twelve million, one hundred thirteen thousand, three hundred".
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