Base | Representation |
---|---|
bin | 111100010101101… |
… | …100111110110111 |
3 | 2121112212022000222 |
4 | 330111230332313 |
5 | 4033123302411 |
6 | 244241324555 |
7 | 34041411524 |
oct | 7425547667 |
9 | 2545768028 |
10 | 1012322231 |
11 | 47a47a748 |
12 | 24303675b |
13 | 131962a4b |
14 | 9863814b |
15 | 5dd174db |
hex | 3c56cfb7 |
1012322231 has 2 divisors, whose sum is σ = 1012322232. Its totient is φ = 1012322230.
The previous prime is 1012322221. The next prime is 1012322243. The reversal of 1012322231 is 1322232101.
It is a weak prime.
It is an emirp because it is prime and its reverse (1322232101) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1012322231 - 210 = 1012321207 is a prime.
It is a super-2 number, since 2×10123222312 = 2049592598753634722, which contains 22 as substring.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1012322221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506161115 + 506161116.
It is an arithmetic number, because the mean of its divisors is an integer number (506161116).
Almost surely, 21012322231 is an apocalyptic number.
1012322231 is a deficient number, since it is larger than the sum of its proper divisors (1).
1012322231 is an equidigital number, since it uses as much as digits as its factorization.
1012322231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 1012322231 is about 31817.0116604310. The cubic root of 1012322231 is about 1004.0906540657.
Adding to 1012322231 its reverse (1322232101), we get a palindrome (2334554332).
The spelling of 1012322231 in words is "one billion, twelve million, three hundred twenty-two thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •