Base | Representation |
---|---|
bin | 110001001101… |
… | …011100000011 |
3 | 220021101121110 |
4 | 301031130003 |
5 | 11300300344 |
6 | 1140254403 |
7 | 214435422 |
oct | 61153403 |
9 | 26241543 |
10 | 12900099 |
11 | 7311043 |
12 | 43a1403 |
13 | 28988c4 |
14 | 19db2b9 |
15 | 11ec3b9 |
hex | c4d703 |
12900099 has 12 divisors (see below), whose sum is σ = 17817176. Its totient is φ = 8301888.
The previous prime is 12900089. The next prime is 12900103. The reversal of 12900099 is 99000921.
It is not a de Polignac number, because 12900099 - 211 = 12898051 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12900089) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34 + ... + 5079.
Almost surely, 212900099 is an apocalyptic number.
12900099 is a deficient number, since it is larger than the sum of its proper divisors (4917077).
12900099 is an equidigital number, since it uses as much as digits as its factorization.
12900099 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5174 (or 5145 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 30.
The square root of 12900099 is about 3591.6707811268. The cubic root of 12900099 is about 234.5296098441.
The spelling of 12900099 in words is "twelve million, nine hundred thousand, ninety-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •