Base | Representation |
---|---|
bin | 10110100010101101… |
… | …01010000010100011 |
3 | 1011020102122011011110 |
4 | 23101112222002203 |
5 | 144241142441344 |
6 | 5320522314403 |
7 | 605622645513 |
oct | 132126520243 |
9 | 34212564143 |
10 | 12102312099 |
11 | 5150492229 |
12 | 2419058a03 |
13 | 11ab407827 |
14 | 82b451843 |
15 | 4ac7303b9 |
hex | 2d15aa0a3 |
12102312099 has 16 divisors (see below), whose sum is σ = 16410021120. Its totient is φ = 7931552160.
The previous prime is 12102312077. The next prime is 12102312139. The reversal of 12102312099 is 99021320121.
It is not a de Polignac number, because 12102312099 - 28 = 12102311843 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12102312199) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331642 + ... + 366320.
It is an arithmetic number, because the mean of its divisors is an integer number (1025626320).
Almost surely, 212102312099 is an apocalyptic number.
12102312099 is a deficient number, since it is larger than the sum of its proper divisors (4307709021).
12102312099 is a wasteful number, since it uses less digits than its factorization.
12102312099 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36650.
The product of its (nonzero) digits is 1944, while the sum is 30.
The spelling of 12102312099 in words is "twelve billion, one hundred two million, three hundred twelve thousand, ninety-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •