Base | Representation |
---|---|
bin | 1010111100110001… |
… | …1110000100100001 |
3 | 21120211202222111002 |
4 | 2233030132010201 |
5 | 22004424003242 |
6 | 1203355001345 |
7 | 132560324252 |
oct | 25714360441 |
9 | 7524688432 |
10 | 2939281697 |
11 | 1279169930 |
12 | 6a0439255 |
13 | 37ac45651 |
14 | 1dc51cb29 |
15 | 12309d432 |
hex | af31e121 |
2939281697 has 8 divisors (see below), whose sum is σ = 3209452032. Its totient is φ = 2669605200.
The previous prime is 2939281679. The next prime is 2939281717. The reversal of 2939281697 is 7961829392.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2939281697 - 220 = 2938233121 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2939281607) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110954 + ... + 134867.
It is an arithmetic number, because the mean of its divisors is an integer number (401181504).
Almost surely, 22939281697 is an apocalyptic number.
It is an amenable number.
2939281697 is a deficient number, since it is larger than the sum of its proper divisors (270170335).
2939281697 is a wasteful number, since it uses less digits than its factorization.
2939281697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 246919.
The product of its digits is 2939328, while the sum is 56.
The square root of 2939281697 is about 54215.1426909494. The cubic root of 2939281697 is about 1432.4530729906.
The spelling of 2939281697 in words is "two billion, nine hundred thirty-nine million, two hundred eighty-one thousand, six hundred ninety-seven".
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