Base | Representation |
---|---|
bin | 100111110010001111… |
… | …001100001001111101 |
3 | 11002021010220120010120 |
4 | 213302033030021331 |
5 | 1144442001231020 |
6 | 31342535325153 |
7 | 3041416405164 |
oct | 476217141175 |
9 | 132233816116 |
10 | 42718773885 |
11 | 171316a8107 |
12 | 83425207b9 |
13 | 404a4102c8 |
14 | 20d36ca3db |
15 | 11a0529740 |
hex | 9f23cc27d |
42718773885 has 32 divisors (see below), whose sum is σ = 72530657280. Its totient is φ = 21423386688.
The previous prime is 42718773883. The next prime is 42718773961. The reversal of 42718773885 is 58837781724.
It is not a de Polignac number, because 42718773885 - 21 = 42718773883 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42718773883) 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, 1028989 + ... + 1069698.
It is an arithmetic number, because the mean of its divisors is an integer number (2266583040).
Almost surely, 242718773885 is an apocalyptic number.
It is an amenable number.
42718773885 is a deficient number, since it is larger than the sum of its proper divisors (29811883395).
42718773885 is a wasteful number, since it uses less digits than its factorization.
42718773885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2098777.
The product of its digits is 21073920, while the sum is 60.
The spelling of 42718773885 in words is "forty-two billion, seven hundred eighteen million, seven hundred seventy-three thousand, eight hundred eighty-five".
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