Base | Representation |
---|---|
bin | 100111011001101000… |
… | …000110111110101111 |
3 | 11001012100222011120010 |
4 | 213121220012332233 |
5 | 1143120301012022 |
6 | 31233545424303 |
7 | 3025244004012 |
oct | 473150067657 |
9 | 131170864503 |
10 | 42305875887 |
11 | 16a3a6227a0 |
12 | 824819b093 |
13 | 3cb2a04072 |
14 | 2094929379 |
15 | 117916950c |
hex | 9d9a06faf |
42305875887 has 32 divisors (see below), whose sum is σ = 63463818240. Its totient is φ = 24842401920.
The previous prime is 42305875873. The next prime is 42305875949. The reversal of 42305875887 is 78857850324.
It is not a de Polignac number, because 42305875887 - 26 = 42305875823 is a prime.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42305875847) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219333 + ... + 364305.
It is an arithmetic number, because the mean of its divisors is an integer number (1983244320).
Almost surely, 242305875887 is an apocalyptic number.
42305875887 is a deficient number, since it is larger than the sum of its proper divisors (21157942353).
42305875887 is a wasteful number, since it uses less digits than its factorization.
42305875887 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 145263.
The product of its (nonzero) digits is 15052800, while the sum is 57.
The spelling of 42305875887 in words is "forty-two billion, three hundred five million, eight hundred seventy-five thousand, eight hundred eighty-seven".
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