Base | Representation |
---|---|
bin | 100111100001000101… |
… | …111101110001001100 |
3 | 11001112002200101201101 |
4 | 213201011331301030 |
5 | 1143344333033423 |
6 | 31254222352444 |
7 | 3031324523143 |
oct | 474105756114 |
9 | 131462611641 |
10 | 42431142988 |
11 | 16aa4301823 |
12 | 828212b724 |
13 | 4002953500 |
14 | 20a741675a |
15 | 11851607ad |
hex | 9e117dc4c |
42431142988 has 144 divisors (see below), whose sum is σ = 88850979840. Its totient is φ = 17649964800.
The previous prime is 42431142977. The next prime is 42431143003. The reversal of 42431142988 is 88924113424.
42431142988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24287131 + ... + 24288877.
Almost surely, 242431142988 is an apocalyptic number.
It is an amenable number.
42431142988 is an abundant number, since it is smaller than the sum of its proper divisors (46419836852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42431142988 is a wasteful number, since it uses less digits than its factorization.
42431142988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1888 (or 1873 counting only the distinct ones).
The product of its digits is 442368, while the sum is 46.
The spelling of 42431142988 in words is "forty-two billion, four hundred thirty-one million, one hundred forty-two thousand, nine hundred eighty-eight".
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