Base | Representation |
---|---|
bin | 1001111111010000… |
… | …1010100110110111 |
3 | 20220212020201122222 |
4 | 2133310022212313 |
5 | 20442400033104 |
6 | 1122020312555 |
7 | 123305161016 |
oct | 23764124667 |
9 | 6825221588 |
10 | 2681252279 |
11 | 1156551582 |
12 | 629b4275b |
13 | 339651314 |
14 | 1b6152a7d |
15 | 10a5d01be |
hex | 9fd0a9b7 |
2681252279 has 8 divisors (see below), whose sum is σ = 2913415680. Its totient is φ = 2458193400.
The previous prime is 2681252269. The next prime is 2681252281. The reversal of 2681252279 is 9722521862.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2681252279 - 212 = 2681248183 is a prime.
It is a super-2 number, since 2×26812522792 = 14378227567285387682, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2681252219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2275517 + ... + 2276694.
It is an arithmetic number, because the mean of its divisors is an integer number (364176960).
Almost surely, 22681252279 is an apocalyptic number.
2681252279 is a deficient number, since it is larger than the sum of its proper divisors (232163401).
2681252279 is a wasteful number, since it uses less digits than its factorization.
2681252279 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4552261.
The product of its digits is 241920, while the sum is 44.
The square root of 2681252279 is about 51780.8099492466. The cubic root of 2681252279 is about 1389.2462277917.
The spelling of 2681252279 in words is "two billion, six hundred eighty-one million, two hundred fifty-two thousand, two hundred seventy-nine".
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