Base | Representation |
---|---|
bin | 10010101010011110… |
… | …111011001000000100 |
3 | 1220201121222200101222 |
4 | 102222132323020010 |
5 | 312020231234104 |
6 | 13112320535512 |
7 | 1306420026350 |
oct | 225236731004 |
9 | 56647880358 |
10 | 20040102404 |
11 | 855412a603 |
12 | 3a73481598 |
13 | 1b74aa8c7a |
14 | d81764460 |
15 | 7c453d1be |
hex | 4aa7bb204 |
20040102404 has 48 divisors (see below), whose sum is σ = 40330752000. Its totient is φ = 8535092256.
The previous prime is 20040102391. The next prime is 20040102413. The reversal of 20040102404 is 40420104002.
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, 3229697 + ... + 3235895.
It is an arithmetic number, because the mean of its divisors is an integer number (840224000).
Almost surely, 220040102404 is an apocalyptic number.
It is an amenable number.
20040102404 is an abundant number, since it is smaller than the sum of its proper divisors (20290649596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20040102404 is a wasteful number, since it uses less digits than its factorization.
20040102404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6912 (or 6910 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 17.
Adding to 20040102404 its reverse (40420104002), we get a palindrome (60460206406).
The spelling of 20040102404 in words is "twenty billion, forty million, one hundred two thousand, four hundred four".
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