Base | Representation |
---|---|
bin | 10010101111010100… |
… | …000010010011011100 |
3 | 1220221021110112021022 |
4 | 102233110002103130 |
5 | 312202002244200 |
6 | 13124333423312 |
7 | 1311422551061 |
oct | 225724022334 |
9 | 56837415238 |
10 | 20121134300 |
11 | 8595946013 |
12 | 3a9663ab38 |
13 | 1b8880ac37 |
14 | d8c418c68 |
15 | 7cb6e7885 |
hex | 4af5024dc |
20121134300 has 36 divisors (see below), whose sum is σ = 43696552200. Its totient is φ = 8042243520.
The previous prime is 20121134221. The next prime is 20121134303. The reversal of 20121134300 is 343112102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20121134303) 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, 53726 + ... + 207674.
Almost surely, 220121134300 is an apocalyptic number.
20121134300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20121134300 is an abundant number, since it is smaller than the sum of its proper divisors (23575417900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20121134300 is a wasteful number, since it uses less digits than its factorization.
20121134300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155270 (or 155263 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 20121134300 its reverse (343112102), we get a palindrome (20464246402).
The spelling of 20121134300 in words is "twenty billion, one hundred twenty-one million, one hundred thirty-four thousand, three hundred".
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