Base | Representation |
---|---|
bin | 1010110011010100… |
… | …1101110000101101 |
3 | 21111002011112011021 |
4 | 2230311031300231 |
5 | 21414301144044 |
6 | 1155421054141 |
7 | 131566313062 |
oct | 25465156055 |
9 | 7432145137 |
10 | 2899631149 |
11 | 1258847888 |
12 | 68b0b7351 |
13 | 372971b9c |
14 | 1d715ac69 |
15 | 11e869e84 |
hex | acd4dc2d |
2899631149 has 4 divisors (see below), whose sum is σ = 2999618460. Its totient is φ = 2799643840.
The previous prime is 2899631143. The next prime is 2899631171. The reversal of 2899631149 is 9411369982.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1560803049 + 1338828100 = 39507^2 + 36590^2 .
It is a cyclic number.
It is not a de Polignac number, because 2899631149 - 29 = 2899630637 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2899631096 and 2899631105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2899631143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49993612 + ... + 49993669.
It is an arithmetic number, because the mean of its divisors is an integer number (749904615).
Almost surely, 22899631149 is an apocalyptic number.
2899631149 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
It is an amenable number.
2899631149 is a deficient number, since it is larger than the sum of its proper divisors (99987311).
2899631149 is an equidigital number, since it uses as much as digits as its factorization.
2899631149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99987310.
The product of its digits is 839808, while the sum is 52.
The square root of 2899631149 is about 53848.2232668823. The cubic root of 2899631149 is about 1425.9826851030.
The spelling of 2899631149 in words is "two billion, eight hundred ninety-nine million, six hundred thirty-one thousand, one hundred forty-nine".
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