Base | Representation |
---|---|
bin | 10010111100010111… |
… | …101111100111001000 |
3 | 1221111112200201210120 |
4 | 102330113233213020 |
5 | 313124043210440 |
6 | 13202201143240 |
7 | 1320022635066 |
oct | 227427574710 |
9 | 57445621716 |
10 | 20340210120 |
11 | 8698577a0a |
12 | 3b37a8ab20 |
13 | 1bc2013ab9 |
14 | dad565036 |
15 | 7e0a6ddd0 |
hex | 4bc5ef9c8 |
20340210120 has 64 divisors (see below), whose sum is σ = 61030696320. Its totient is φ = 5423161344.
The previous prime is 20340210113. The next prime is 20340210157. The reversal of 20340210120 is 2101204302.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 20340210120.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1056904 + ... + 1075976.
It is an arithmetic number, because the mean of its divisors is an integer number (953604630).
Almost surely, 220340210120 is an apocalyptic number.
20340210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20340210120 is an abundant number, since it is smaller than the sum of its proper divisors (40690486200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20340210120 is a wasteful number, since it uses less digits than its factorization.
20340210120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27974 (or 27970 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 20340210120 its reverse (2101204302), we get a palindrome (22441414422).
The spelling of 20340210120 in words is "twenty billion, three hundred forty million, two hundred ten thousand, one hundred twenty".
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