Base | Representation |
---|---|
bin | 1001110101001111… |
… | …0010011001100110 |
3 | 20210221010202121201 |
4 | 2131103302121212 |
5 | 20401114210321 |
6 | 1113515233114 |
7 | 122254626022 |
oct | 23523623146 |
9 | 6727122551 |
10 | 2639210086 |
11 | 1134846667 |
12 | 617a4879a |
13 | 330a21096 |
14 | 1b072b382 |
15 | 106a78291 |
hex | 9d4f2666 |
2639210086 has 8 divisors (see below), whose sum is σ = 4167173880. Its totient is φ = 1250152128.
The previous prime is 2639210081. The next prime is 2639210087. The reversal of 2639210086 is 6800129362.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2639210081) 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, 34726411 + ... + 34726486.
It is an arithmetic number, because the mean of its divisors is an integer number (520896735).
Almost surely, 22639210086 is an apocalyptic number.
2639210086 is a deficient number, since it is larger than the sum of its proper divisors (1527963794).
2639210086 is a wasteful number, since it uses less digits than its factorization.
2639210086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69452918.
The product of its (nonzero) digits is 31104, while the sum is 37.
The square root of 2639210086 is about 51373.2428993927. The cubic root of 2639210086 is about 1381.9467878060.
The spelling of 2639210086 in words is "two billion, six hundred thirty-nine million, two hundred ten thousand, eighty-six".
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