Base | Representation |
---|---|
bin | 11100001010000001… |
… | …110010100000001001 |
3 | 2220000222202011001211 |
4 | 130022001302200021 |
5 | 443404122342413 |
6 | 21515554213121 |
7 | 2120126235544 |
oct | 341201624011 |
9 | 86028664054 |
10 | 30233012233 |
11 | 11904824626 |
12 | 5a38b841a1 |
13 | 2b0a73a468 |
14 | 166b38185b |
15 | bbe30483d |
hex | 70a072809 |
30233012233 has 4 divisors (see below), whose sum is σ = 30294587088. Its totient is φ = 30171437380.
The previous prime is 30233012221. The next prime is 30233012237. The reversal of 30233012233 is 33221033203.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33221033203 = 46573 ⋅713311.
It is a cyclic number.
It is not a de Polignac number, because 30233012233 - 221 = 30230915081 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30233012237) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30786691 + ... + 30787672.
It is an arithmetic number, because the mean of its divisors is an integer number (7573646772).
Almost surely, 230233012233 is an apocalyptic number.
It is an amenable number.
30233012233 is a deficient number, since it is larger than the sum of its proper divisors (61574855).
30233012233 is an equidigital number, since it uses as much as digits as its factorization.
30233012233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61574854.
The product of its (nonzero) digits is 1944, while the sum is 22.
Adding to 30233012233 its reverse (33221033203), we get a palindrome (63454045436).
The spelling of 30233012233 in words is "thirty billion, two hundred thirty-three million, twelve thousand, two hundred thirty-three".
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