Base | Representation |
---|---|
bin | 10010101110000011… |
… | …111101000010101110 |
3 | 1220212210221222012012 |
4 | 102232003331002232 |
5 | 312131114004410 |
6 | 13122303441222 |
7 | 1311046244561 |
oct | 225603750256 |
9 | 56783858165 |
10 | 20100141230 |
11 | 8585007674 |
12 | 3a8b5b6212 |
13 | 1b8436a7c0 |
14 | d897124d8 |
15 | 7c994c605 |
hex | 4ae0fd0ae |
20100141230 has 64 divisors (see below), whose sum is σ = 41132024640. Its totient is φ = 7010758656.
The previous prime is 20100141223. The next prime is 20100141239. The reversal of 20100141230 is 3214100102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20100141239) 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, 860384 + ... + 883436.
It is an arithmetic number, because the mean of its divisors is an integer number (642687885).
Almost surely, 220100141230 is an apocalyptic number.
20100141230 is an abundant number, since it is smaller than the sum of its proper divisors (21031883410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20100141230 is a wasteful number, since it uses less digits than its factorization.
20100141230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23445.
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 20100141230 its reverse (3214100102), we get a palindrome (23314241332).
The spelling of 20100141230 in words is "twenty billion, one hundred million, one hundred forty-one thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •