Base | Representation |
---|---|
bin | 10010101010000001… |
… | …001100110000111011 |
3 | 1220201002022210200200 |
4 | 102222001030300323 |
5 | 312011232412311 |
6 | 13111441533243 |
7 | 1306263554055 |
oct | 225201146073 |
9 | 56632283620 |
10 | 20032310331 |
11 | 854a798280 |
12 | 3a70944223 |
13 | 1b732ab387 |
14 | d806d68d5 |
15 | 7c39ee556 |
hex | 4aa04cc3b |
20032310331 has 24 divisors (see below), whose sum is σ = 31570608576. Its totient is φ = 12139046640.
The previous prime is 20032310321. The next prime is 20032310339. The reversal of 20032310331 is 13301323002.
20032310331 is a `hidden beast` number, since 2 + 0 + 0 + 323 + 10 + 331 = 666.
It is not a de Polignac number, because 20032310331 - 210 = 20032309307 is a prime.
It is a super-2 number, since 2×200323103312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20032310339) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1124016 + ... + 1141698.
It is an arithmetic number, because the mean of its divisors is an integer number (1315442024).
Almost surely, 220032310331 is an apocalyptic number.
20032310331 is a deficient number, since it is larger than the sum of its proper divisors (11538298245).
20032310331 is a wasteful number, since it uses less digits than its factorization.
20032310331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29143 (or 29140 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 20032310331 its reverse (13301323002), we get a palindrome (33333633333).
The spelling of 20032310331 in words is "twenty billion, thirty-two million, three hundred ten thousand, three hundred thirty-one".
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