Base | Representation |
---|---|
bin | 10101100111000001… |
… | …010000101000100000 |
3 | 2012220001221201000112 |
4 | 111213001100220200 |
5 | 340010011020000 |
6 | 14354233310452 |
7 | 1450666054502 |
oct | 254701205040 |
9 | 65801851015 |
10 | 23203220000 |
11 | 9927681684 |
12 | 45b6865428 |
13 | 225a202c9c |
14 | 11a18abd72 |
15 | 90c0a3235 |
hex | 567050a20 |
23203220000 has 60 divisors (see below), whose sum is σ = 57083450886. Its totient is φ = 9281280000.
The previous prime is 23203219999. The next prime is 23203220003. The reversal of 23203220000 is 2230232.
It can be written as a sum of positive squares in 5 ways, for example, as 1454049424 + 21749170576 = 38132^2 + 147476^2 .
It is not an unprimeable number, because it can be changed into a prime (23203220003) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 560081 + ... + 600080.
Almost surely, 223203220000 is an apocalyptic number.
23203220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23203220000 is an abundant number, since it is smaller than the sum of its proper divisors (33880230886).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23203220000 is an equidigital number, since it uses as much as digits as its factorization.
23203220000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1160191 (or 1160168 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 14.
Adding to 23203220000 its reverse (2230232), we get a palindrome (23205450232).
The spelling of 23203220000 in words is "twenty-three billion, two hundred three million, two hundred twenty thousand".
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