Base | Representation |
---|---|
bin | 1011110011110110111… |
… | …01000100101110100000 |
3 | 1102210102202210122120021 |
4 | 11321323131010232200 |
5 | 23122033311114203 |
6 | 510230542323224 |
7 | 41214025214431 |
oct | 5717335045640 |
9 | 1383382718507 |
10 | 405798144928 |
11 | 147109523510 |
12 | 66790b89514 |
13 | 2c360950627 |
14 | 158d8269488 |
15 | a85095c5bd |
hex | 5e7b744ba0 |
405798144928 has 48 divisors (see below), whose sum is σ = 871674973344. Its totient is φ = 184425928960.
The previous prime is 405798144893. The next prime is 405798144931. The reversal of 405798144928 is 829441897504.
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, 2351451 + ... + 2518117.
It is an arithmetic number, because the mean of its divisors is an integer number (18159895278).
Almost surely, 2405798144928 is an apocalyptic number.
It is an amenable number.
405798144928 is an abundant number, since it is smaller than the sum of its proper divisors (465876828416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
405798144928 is a wasteful number, since it uses less digits than its factorization.
405798144928 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 173605 (or 173597 counting only the distinct ones).
The product of its (nonzero) digits is 23224320, while the sum is 61.
The spelling of 405798144928 in words is "four hundred five billion, seven hundred ninety-eight million, one hundred forty-four thousand, nine hundred twenty-eight".
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