Base | Representation |
---|---|
bin | 10010101011110010… |
… | …10001110100110101 |
3 | 221220002010021012102 |
4 | 21111321101310311 |
5 | 131020414410143 |
6 | 4335211231445 |
7 | 503402130236 |
oct | 112571216465 |
9 | 27802107172 |
10 | 10031013173 |
11 | 4288277735 |
12 | 1b3b448585 |
13 | c3b25866c |
14 | 6b231708d |
15 | 3da9870b8 |
hex | 255e51d35 |
10031013173 has 2 divisors, whose sum is σ = 10031013174. Its totient is φ = 10031013172.
The previous prime is 10031013163. The next prime is 10031013221. The reversal of 10031013173 is 37131013001.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 5580388804 + 4450624369 = 74702^2 + 66713^2 .
It is an emirp because it is prime and its reverse (37131013001) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10031013173 - 28 = 10031012917 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10031013143) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015506586 + 5015506587.
It is an arithmetic number, because the mean of its divisors is an integer number (5015506587).
Almost surely, 210031013173 is an apocalyptic number.
It is an amenable number.
10031013173 is a deficient number, since it is larger than the sum of its proper divisors (1).
10031013173 is an equidigital number, since it uses as much as digits as its factorization.
10031013173 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 189, while the sum is 20.
Adding to 10031013173 its reverse (37131013001), we get a palindrome (47162026174).
The spelling of 10031013173 in words is "ten billion, thirty-one million, thirteen thousand, one hundred seventy-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •