Base | Representation |
---|---|
bin | 10010110101111011… |
… | …011100111100011011 |
3 | 1221020000022201012102 |
4 | 102311323130330123 |
5 | 312413411132311 |
6 | 13143340434015 |
7 | 1314241161500 |
oct | 226573347433 |
9 | 57200281172 |
10 | 20232130331 |
11 | 8642567a76 |
12 | 3b0784890b |
13 | 1ba580176a |
14 | d9d06d4a7 |
15 | 7d632043b |
hex | 4b5edcf1b |
20232130331 has 12 divisors (see below), whose sum is σ = 23600913840. Its totient is φ = 17293505040.
The previous prime is 20232130309. The next prime is 20232130339. The reversal of 20232130331 is 13303123202.
It is not a de Polignac number, because 20232130331 - 218 = 20231868187 is a prime.
It is a super-2 number, since 2×202321303312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20232130339) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 557480 + ... + 592661.
It is an arithmetic number, because the mean of its divisors is an integer number (1966742820).
Almost surely, 220232130331 is an apocalyptic number.
20232130331 is a deficient number, since it is larger than the sum of its proper divisors (3368783509).
20232130331 is a wasteful number, since it uses less digits than its factorization.
20232130331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1150514 (or 1150507 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 20232130331 its reverse (13303123202), we get a palindrome (33535253533).
The spelling of 20232130331 in words is "twenty billion, two hundred thirty-two million, one hundred thirty thousand, three hundred thirty-one".
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