Base | Representation |
---|---|
bin | 10101011011100100… |
… | …000111010100111011 |
3 | 2012101200022110100122 |
4 | 111123210013110323 |
5 | 334111310432311 |
6 | 14323210123455 |
7 | 1443143346662 |
oct | 253344072473 |
9 | 65350273318 |
10 | 23011030331 |
11 | 9839143743 |
12 | 456242058b |
13 | 22294519a3 |
14 | 118415ddd9 |
15 | 8ea28d0db |
hex | 55b90753b |
23011030331 has 16 divisors (see below), whose sum is σ = 23880050688. Its totient is φ = 22150195200.
The previous prime is 23011030309. The next prime is 23011030423. The reversal of 23011030331 is 13303011032.
It is a cyclic number.
It is not a de Polignac number, because 23011030331 - 230 = 21937288507 is a prime.
It is a super-2 number, since 2×230110303312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23011030531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7033226 + ... + 7036496.
It is an arithmetic number, because the mean of its divisors is an integer number (1492503168).
Almost surely, 223011030331 is an apocalyptic number.
23011030331 is a deficient number, since it is larger than the sum of its proper divisors (869020357).
23011030331 is a wasteful number, since it uses less digits than its factorization.
23011030331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4442.
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 23011030331 its reverse (13303011032), we get a palindrome (36314041363).
The spelling of 23011030331 in words is "twenty-three billion, eleven million, thirty thousand, three hundred thirty-one".
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