Base | Representation |
---|---|
bin | 100111110010001111… |
… | …001100010000001001 |
3 | 11002021010220120200020 |
4 | 213302033030100021 |
5 | 1144442001234111 |
6 | 31342535331053 |
7 | 3041416406301 |
oct | 476217142011 |
9 | 132233816606 |
10 | 42718774281 |
11 | 171316a8437 |
12 | 8342520a89 |
13 | 404a410541 |
14 | 20d36ca601 |
15 | 11a0529906 |
hex | 9f23cc409 |
42718774281 has 16 divisors (see below), whose sum is σ = 58292203200. Its totient is φ = 27812473920.
The previous prime is 42718774201. The next prime is 42718774283. The reversal of 42718774281 is 18247781724.
It is not a de Polignac number, because 42718774281 - 210 = 42718773257 is a prime.
It is a super-2 number, since 2×427187742812 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (42718774283) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 925491 + ... + 970551.
It is an arithmetic number, because the mean of its divisors is an integer number (3643262700).
Almost surely, 242718774281 is an apocalyptic number.
It is an amenable number.
42718774281 is a deficient number, since it is larger than the sum of its proper divisors (15573428919).
42718774281 is a wasteful number, since it uses less digits than its factorization.
42718774281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52456.
The product of its digits is 1404928, while the sum is 51.
The spelling of 42718774281 in words is "forty-two billion, seven hundred eighteen million, seven hundred seventy-four thousand, two hundred eighty-one".
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