Base | Representation |
---|---|
bin | 10111011111000000100001… |
… | …110000000110010000100001 |
3 | 111112201001001201202012112001 |
4 | 113133000201300012100201 |
5 | 102014214101041302011 |
6 | 1003400523344204001 |
7 | 30520106605415461 |
oct | 2737004160062041 |
9 | 445631051665461 |
10 | 103285939790881 |
11 | 2aa01359397a11 |
12 | b701610309601 |
13 | 4582a8c874683 |
14 | 1b710cd77dba1 |
15 | be1a871497c1 |
hex | 5df021c06421 |
103285939790881 has 2 divisors, whose sum is σ = 103285939790882. Its totient is φ = 103285939790880.
The previous prime is 103285939790879. The next prime is 103285939790897. The reversal of 103285939790881 is 188097939582301.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 101050343664400 + 2235596126481 = 10052380^2 + 1495191^2 .
It is a cyclic number.
It is not a de Polignac number, because 103285939790881 - 21 = 103285939790879 is a prime.
It is a super-2 number, since 2×1032859397908812 (a number of 29 digits) contains 22 as substring.
Together with 103285939790879, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (103285939797881) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51642969895440 + 51642969895441.
It is an arithmetic number, because the mean of its divisors is an integer number (51642969895441).
Almost surely, 2103285939790881 is an apocalyptic number.
It is an amenable number.
103285939790881 is a deficient number, since it is larger than the sum of its proper divisors (1).
103285939790881 is an equidigital number, since it uses as much as digits as its factorization.
103285939790881 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 235146240, while the sum is 73.
The spelling of 103285939790881 in words is "one hundred three trillion, two hundred eighty-five billion, nine hundred thirty-nine million, seven hundred ninety thousand, eight hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.097 sec. • engine limits •