Base | Representation |
---|---|
bin | 1001001001111001010101… |
… | …10101001011110000110001 |
3 | 2122021112020001102112021220 |
4 | 10210330222311023300301 |
5 | 10114312224424114413 |
6 | 110452054242535253 |
7 | 4145301440126202 |
oct | 444745265136061 |
9 | 78245201375256 |
10 | 20131230301233 |
11 | 6461674759747 |
12 | 2311698367529 |
13 | b304a002bb5c |
14 | 4d84dcca35a9 |
15 | 24d9d5c1d223 |
hex | 124f2ad4bc31 |
20131230301233 has 64 divisors (see below), whose sum is σ = 28808449152000. Its totient is φ = 12467007489024.
The previous prime is 20131230301163. The next prime is 20131230301333. The reversal of 20131230301233 is 33210303213102.
It is not a de Polignac number, because 20131230301233 - 221 = 20131228204081 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20131230301033) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 731259813 + ... + 731287341.
It is an arithmetic number, because the mean of its divisors is an integer number (450132018000).
Almost surely, 220131230301233 is an apocalyptic number.
It is an amenable number.
20131230301233 is a deficient number, since it is larger than the sum of its proper divisors (8677218850767).
20131230301233 is a wasteful number, since it uses less digits than its factorization.
20131230301233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28494.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 20131230301233 its reverse (33210303213102), we get a palindrome (53341533514335).
The spelling of 20131230301233 in words is "twenty trillion, one hundred thirty-one billion, two hundred thirty million, three hundred one thousand, two hundred thirty-three".
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