Base | Representation |
---|---|
bin | 10010110101111100… |
… | …000110011001100101 |
3 | 1221020000122100010101 |
4 | 102311330012121211 |
5 | 312413432101013 |
6 | 13143344224101 |
7 | 1314242466523 |
oct | 226574063145 |
9 | 57200570111 |
10 | 20232300133 |
11 | 8642673601 |
12 | 3b0790b031 |
13 | 1ba5860b36 |
14 | d9d0b5313 |
15 | 7d63558dd |
hex | 4b5f06665 |
20232300133 has 4 divisors (see below), whose sum is σ = 20884955008. Its totient is φ = 19579645260.
The previous prime is 20232300113. The next prime is 20232300161. The reversal of 20232300133 is 33100323202.
It is a happy number.
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, and also an emirpimes, since its reverse is a distinct semiprime: 33100323202 = 2 ⋅16550161601.
It is not a de Polignac number, because 20232300133 - 29 = 20232299621 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20232300133.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20232300113) 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, 326327391 + ... + 326327452.
It is an arithmetic number, because the mean of its divisors is an integer number (5221238752).
Almost surely, 220232300133 is an apocalyptic number.
It is an amenable number.
20232300133 is a deficient number, since it is larger than the sum of its proper divisors (652654875).
20232300133 is an equidigital number, since it uses as much as digits as its factorization.
20232300133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 652654874.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 20232300133 its reverse (33100323202), we get a palindrome (53332623335).
The spelling of 20232300133 in words is "twenty billion, two hundred thirty-two million, three hundred thousand, one hundred thirty-three".
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