Base | Representation |
---|---|
bin | 10010110101111111… |
… | …001010001111110011 |
3 | 1221020002011002112010 |
4 | 102311333022033303 |
5 | 312414133233243 |
6 | 13143413334003 |
7 | 1314252350340 |
oct | 226577121763 |
9 | 57202132463 |
10 | 20233102323 |
11 | 8643071275 |
12 | 3b08037303 |
13 | 1ba5a81cc5 |
14 | d9d2437c7 |
15 | 7d6463433 |
hex | 4b5fca3f3 |
20233102323 has 32 divisors (see below), whose sum is σ = 32259833856. Its totient is φ = 11028856608.
The previous prime is 20233102303. The next prime is 20233102387. The reversal of 20233102323 is 32320133202.
It is not a de Polignac number, because 20233102323 - 212 = 20233098227 is a prime.
It is a super-2 number, since 2×202331023232 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 20233102323.
It is not an unprimeable number, because it can be changed into a prime (20233102303) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120190 + ... + 234332.
It is an arithmetic number, because the mean of its divisors is an integer number (1008119808).
Almost surely, 220233102323 is an apocalyptic number.
20233102323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
20233102323 is a deficient number, since it is larger than the sum of its proper divisors (12026731533).
20233102323 is a wasteful number, since it uses less digits than its factorization.
20233102323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114543.
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 20233102323 its reverse (32320133202), we get a palindrome (52553235525).
The spelling of 20233102323 in words is "twenty billion, two hundred thirty-three million, one hundred two thousand, three hundred twenty-three".
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