Base | Representation |
---|---|
bin | 1001110101001101… |
… | …1101101100000110 |
3 | 20210220222110020210 |
4 | 2131103131230012 |
5 | 20401104002004 |
6 | 1113513340250 |
7 | 122254123503 |
oct | 23523355406 |
9 | 6726873223 |
10 | 2639125254 |
11 | 1134798957 |
12 | 617a07686 |
13 | 3309c159c |
14 | 1b07084aa |
15 | 106a5d089 |
hex | 9d4ddb06 |
2639125254 has 32 divisors (see below), whose sum is σ = 5640990336. Its totient is φ = 820219520.
The previous prime is 2639125249. The next prime is 2639125267. The reversal of 2639125254 is 4525219362.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 109992 + ... + 131819.
It is an arithmetic number, because the mean of its divisors is an integer number (176280948).
Almost surely, 22639125254 is an apocalyptic number.
2639125254 is an abundant number, since it is smaller than the sum of its proper divisors (3001865082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2639125254 is a wasteful number, since it uses less digits than its factorization.
2639125254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 241940.
The product of its digits is 129600, while the sum is 39.
The square root of 2639125254 is about 51372.4172489479. The cubic root of 2639125254 is about 1381.9319810314.
The spelling of 2639125254 in words is "two billion, six hundred thirty-nine million, one hundred twenty-five thousand, two hundred fifty-four".
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