Base | Representation |
---|---|
bin | 100100101010000… |
… | …0111011101110111 |
3 | 10011201110222211111 |
4 | 1021110013131313 |
5 | 10004340311411 |
6 | 322015215451 |
7 | 42323625442 |
oct | 11124073567 |
9 | 3151428744 |
10 | 1230010231 |
11 | 58134398a |
12 | 2a3b17587 |
13 | 167aa1008 |
14 | b9502659 |
15 | 72eb7721 |
hex | 49507777 |
1230010231 has 8 divisors (see below), whose sum is σ = 1303406640. Its totient is φ = 1156729728.
The previous prime is 1230010217. The next prime is 1230010237. The reversal of 1230010231 is 1320100321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1230010231 - 29 = 1230009719 is a prime.
It is a super-2 number, since 2×12300102312 = 3025850336729346722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230010237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6621 + ... + 50038.
It is an arithmetic number, because the mean of its divisors is an integer number (162925830).
Almost surely, 21230010231 is an apocalyptic number.
1230010231 is a deficient number, since it is larger than the sum of its proper divisors (73396409).
1230010231 is a wasteful number, since it uses less digits than its factorization.
1230010231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57953.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 1230010231 is about 35071.5016929700. The cubic root of 1230010231 is about 1071.4442403914. Note that the first 3 decimals are identical.
Adding to 1230010231 its reverse (1320100321), we get a palindrome (2550110552).
The spelling of 1230010231 in words is "one billion, two hundred thirty million, ten thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •