Base | Representation |
---|---|
bin | 1000000010000000… |
… | …0000000000011011 |
3 | 12120020122122210121 |
4 | 2000200000000123 |
5 | 13403400403113 |
6 | 553531454111 |
7 | 104265416635 |
oct | 20040000033 |
9 | 5506578717 |
10 | 2155872283 |
11 | a06a2a834 |
12 | 501bb7337 |
13 | 284851096 |
14 | 166471a55 |
15 | c9401e8d |
hex | 8080001b |
2155872283 has 2 divisors, whose sum is σ = 2155872284. Its totient is φ = 2155872282.
The previous prime is 2155872233. The next prime is 2155872319. The reversal of 2155872283 is 3822785512.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2155872283 is a prime.
It is not a weakly prime, because it can be changed into another prime (2155872203) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077936141 + 1077936142.
It is an arithmetic number, because the mean of its divisors is an integer number (1077936142).
Almost surely, 22155872283 is an apocalyptic number.
2155872283 is a deficient number, since it is larger than the sum of its proper divisors (1).
2155872283 is an equidigital number, since it uses as much as digits as its factorization.
2155872283 is an evil number, because the sum of its binary digits is even.
The product of its digits is 268800, while the sum is 43.
The square root of 2155872283 is about 46431.3717544507. The cubic root of 2155872283 is about 1291.8368725901.
The spelling of 2155872283 in words is "two billion, one hundred fifty-five million, eight hundred seventy-two thousand, two hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •