Base | Representation |
---|---|
bin | 1010101011111110… |
… | …0001011010111011 |
3 | 21101221010001112100 |
4 | 2222333201122323 |
5 | 21333401404213 |
6 | 1152355514443 |
7 | 131043134151 |
oct | 25277413273 |
9 | 7357101470 |
10 | 2868778683 |
11 | 1242394981 |
12 | 6808b8a23 |
13 | 36945bba4 |
14 | 1d30093d1 |
15 | 11bcc3773 |
hex | aafe16bb |
2868778683 has 12 divisors (see below), whose sum is σ = 4255786288. Its totient is φ = 1860829200.
The previous prime is 2868778673. The next prime is 2868778721. The reversal of 2868778683 is 3868778682.
It is not a de Polignac number, because 2868778683 - 28 = 2868778427 is a prime.
It is a super-2 number, since 2×28687786832 = 16459782264070428978, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2868778683.
It is not an unprimeable number, because it can be changed into a prime (2868778603) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4307143 + ... + 4307808.
Almost surely, 22868778683 is an apocalyptic number.
2868778683 is a deficient number, since it is larger than the sum of its proper divisors (1387007605).
2868778683 is a wasteful number, since it uses less digits than its factorization.
2868778683 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8614994 (or 8614991 counting only the distinct ones).
The product of its digits is 43352064, while the sum is 63.
The square root of 2868778683 is about 53560.9809749597. The cubic root of 2868778683 is about 1420.9070913613.
Subtracting 2868778683 from its reverse (3868778682), we obtain a palindrome (999999999).
The spelling of 2868778683 in words is "two billion, eight hundred sixty-eight million, seven hundred seventy-eight thousand, six hundred eighty-three".
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