Base | Representation |
---|---|
bin | 10110110010001010… |
… | …11101110010101001 |
3 | 1011120110201011100122 |
4 | 23121011131302221 |
5 | 200022344220314 |
6 | 5341434413025 |
7 | 612056324150 |
oct | 133105356251 |
9 | 34513634318 |
10 | 12232023209 |
11 | 520772709a |
12 | 2454591175 |
13 | 11cc251973 |
14 | 840778597 |
15 | 4b8d0328e |
hex | 2d915dca9 |
12232023209 has 32 divisors (see below), whose sum is σ = 14965482240. Its totient is φ = 9759117312.
The previous prime is 12232023179. The next prime is 12232023233. The reversal of 12232023209 is 90232023221.
It is not a de Polignac number, because 12232023209 - 28 = 12232022953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12232023239) 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, 9533282 + ... + 9534564.
It is an arithmetic number, because the mean of its divisors is an integer number (467671320).
Almost surely, 212232023209 is an apocalyptic number.
It is an amenable number.
12232023209 is a deficient number, since it is larger than the sum of its proper divisors (2733459031).
12232023209 is a wasteful number, since it uses less digits than its factorization.
12232023209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2129.
The product of its (nonzero) digits is 2592, while the sum is 26.
The spelling of 12232023209 in words is "twelve billion, two hundred thirty-two million, twenty-three thousand, two hundred nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.095 sec. • engine limits •