Base | Representation |
---|---|
bin | 1010010101000011… |
… | …1001000001000001 |
3 | 21011020021011010020 |
4 | 2211100321001001 |
5 | 21134300342411 |
6 | 1135043524053 |
7 | 125465202402 |
oct | 24520710101 |
9 | 7136234106 |
10 | 2772668481 |
11 | 11a310a960 |
12 | 654689629 |
13 | 35257aa4b |
14 | 1c434b9a9 |
15 | 11363b606 |
hex | a5439041 |
2772668481 has 8 divisors (see below), whose sum is σ = 4032972384. Its totient is φ = 1680405120.
The previous prime is 2772668473. The next prime is 2772668497. The reversal of 2772668481 is 1848662772.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2772668481 - 23 = 2772668473 is a prime.
It is a super-2 number, since 2×27726684812 = 15375381011061694722, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2772668411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42010096 + ... + 42010161.
It is an arithmetic number, because the mean of its divisors is an integer number (504121548).
Almost surely, 22772668481 is an apocalyptic number.
It is an amenable number.
2772668481 is a deficient number, since it is larger than the sum of its proper divisors (1260303903).
2772668481 is a wasteful number, since it uses less digits than its factorization.
2772668481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84020271.
The product of its digits is 1806336, while the sum is 51.
The square root of 2772668481 is about 52656.1343150065. The cubic root of 2772668481 is about 1404.8587103101.
The spelling of 2772668481 in words is "two billion, seven hundred seventy-two million, six hundred sixty-eight thousand, four hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •