Base | Representation |
---|---|
bin | 100100001000001110… |
… | …111000000001001001 |
3 | 10201010112112120202221 |
4 | 210020032320001021 |
5 | 1113421430312412 |
6 | 25453212454041 |
7 | 2542215360625 |
oct | 441016700111 |
9 | 121115476687 |
10 | 38792822857 |
11 | 154a759aa88 |
12 | 762777a321 |
13 | 3872c47369 |
14 | 1c40130185 |
15 | 1020a2eb07 |
hex | 9083b8049 |
38792822857 has 2 divisors, whose sum is σ = 38792822858. Its totient is φ = 38792822856.
The previous prime is 38792822797. The next prime is 38792822941. The reversal of 38792822857 is 75822829783.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 32711786496 + 6081036361 = 180864^2 + 77981^2 .
It is an emirp because it is prime and its reverse (75822829783) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-38792822857 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 38792822795 and 38792822804.
It is not a weakly prime, because it can be changed into another prime (38792826857) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19396411428 + 19396411429.
It is an arithmetic number, because the mean of its divisors is an integer number (19396411429).
Almost surely, 238792822857 is an apocalyptic number.
It is an amenable number.
38792822857 is a deficient number, since it is larger than the sum of its proper divisors (1).
38792822857 is an equidigital number, since it uses as much as digits as its factorization.
38792822857 is an evil number, because the sum of its binary digits is even.
The product of its digits is 27095040, while the sum is 61.
The spelling of 38792822857 in words is "thirty-eight billion, seven hundred ninety-two million, eight hundred twenty-two thousand, eight hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.231 sec. • engine limits •