Base | Representation |
---|---|
bin | 100100101010001… |
… | …0011100011010011 |
3 | 10011201120111201211 |
4 | 1021110103203103 |
5 | 10004343402411 |
6 | 322020240551 |
7 | 42324222655 |
oct | 11124234323 |
9 | 3151514654 |
10 | 1230059731 |
11 | 58137809a |
12 | 2a3b40157 |
13 | 167aba6c4 |
14 | b95166d5 |
15 | 72ec7221 |
hex | 495138d3 |
1230059731 has 2 divisors, whose sum is σ = 1230059732. Its totient is φ = 1230059730.
The previous prime is 1230059713. The next prime is 1230059759. The reversal of 1230059731 is 1379500321.
Together with previous prime (1230059713) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1230059731 - 211 = 1230057683 is a prime.
It is a super-2 number, since 2×12300597312 = 3026093883655584722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1230059693 and 1230059702.
It is not a weakly prime, because it can be changed into another prime (1230059431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615029865 + 615029866.
It is an arithmetic number, because the mean of its divisors is an integer number (615029866).
Almost surely, 21230059731 is an apocalyptic number.
1230059731 is a deficient number, since it is larger than the sum of its proper divisors (1).
1230059731 is an equidigital number, since it uses as much as digits as its factorization.
1230059731 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5670, while the sum is 31.
The square root of 1230059731 is about 35072.2073870465. The cubic root of 1230059731 is about 1071.4586131115.
The spelling of 1230059731 in words is "one billion, two hundred thirty million, fifty-nine thousand, seven hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •