Base | Representation |
---|---|
bin | 10010101111110000… |
… | …110101000001110110 |
3 | 1220221210122222220112 |
4 | 102233300311001312 |
5 | 312210420311402 |
6 | 13125203303022 |
7 | 1311543655244 |
oct | 225760650166 |
9 | 56853588815 |
10 | 20128682102 |
11 | 859a130871 |
12 | 3a9907aa72 |
13 | 1b8a2515a9 |
14 | d8d421794 |
15 | 7cc1d8e52 |
hex | 4afc35076 |
20128682102 has 16 divisors (see below), whose sum is σ = 30378110400. Its totient is φ = 10002706440.
The previous prime is 20128682071. The next prime is 20128682111.
20128682102 is nontrivially palindromic in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694277 + ... + 722687.
It is an arithmetic number, because the mean of its divisors is an integer number (1898631900).
Almost surely, 220128682102 is an apocalyptic number.
20128682102 is a deficient number, since it is larger than the sum of its proper divisors (10249428298).
20128682102 is a wasteful number, since it uses less digits than its factorization.
20128682102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30571.
The product of its (nonzero) digits is 6144, while the sum is 32.
The spelling of 20128682102 in words is "twenty billion, one hundred twenty-eight million, six hundred eighty-two thousand, one hundred two".
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