Base | Representation |
---|---|
bin | 1001001100110010011111… |
… | …00101100110010000001001 |
3 | 2122122000210110210101220102 |
4 | 10212121033211212100021 |
5 | 10122424313043021413 |
6 | 111005453525335145 |
7 | 4155420621033650 |
oct | 446311745462011 |
9 | 78560713711812 |
10 | 20230631220233 |
11 | 649a842a04385 |
12 | 23289b95674b5 |
13 | b399816a50a5 |
14 | 4dd24c53a197 |
15 | 2513a256c458 |
hex | 12664f966409 |
20230631220233 has 4 divisors (see below), whose sum is σ = 23120721394560. Its totient is φ = 17340541045908.
The previous prime is 20230631220203. The next prime is 20230631220259. The reversal of 20230631220233 is 33202213603202.
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.
It is a cyclic number.
It is not a de Polignac number, because 20230631220233 - 210 = 20230631219209 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20230631220196 and 20230631220205.
It is not an unprimeable number, because it can be changed into a prime (20230631220203) 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, 1445045087153 + ... + 1445045087166.
It is an arithmetic number, because the mean of its divisors is an integer number (5780180348640).
Almost surely, 220230631220233 is an apocalyptic number.
It is an amenable number.
20230631220233 is a deficient number, since it is larger than the sum of its proper divisors (2890090174327).
20230631220233 is an equidigital number, since it uses as much as digits as its factorization.
20230631220233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2890090174326.
The product of its (nonzero) digits is 15552, while the sum is 29.
Adding to 20230631220233 its reverse (33202213603202), we get a palindrome (53432844823435).
The spelling of 20230631220233 in words is "twenty trillion, two hundred thirty billion, six hundred thirty-one million, two hundred twenty thousand, two hundred thirty-three".
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