Base | Representation |
---|---|
bin | 10111110010110011… |
… | …11000110100101010 |
3 | 1012222021000000120000 |
4 | 23321121320310222 |
5 | 202130201411342 |
6 | 5511324243430 |
7 | 631362212505 |
oct | 137131706452 |
9 | 35867000500 |
10 | 12774247722 |
11 | 5465803425 |
12 | 25860a0576 |
13 | 128769bc82 |
14 | 8927a213c |
15 | 4eb70c44c |
hex | 2f9678d2a |
12774247722 has 40 divisors (see below), whose sum is σ = 29026955232. Its totient is φ = 4198105800.
The previous prime is 12774247693. The next prime is 12774247723. The reversal of 12774247722 is 22774247721.
It is not an unprimeable number, because it can be changed into a prime (12774247723) 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 19 ways as a sum of consecutive naturals, for example, 543804 + ... + 566807.
Almost surely, 212774247722 is an apocalyptic number.
12774247722 is an abundant number, since it is smaller than the sum of its proper divisors (16252707510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12774247722 is a wasteful number, since it uses less digits than its factorization.
12774247722 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1110696 (or 1110687 counting only the distinct ones).
The product of its digits is 614656, while the sum is 45.
Subtracting 12774247722 from its reverse (22774247721), we obtain a palindrome (9999999999).
The spelling of 12774247722 in words is "twelve billion, seven hundred seventy-four million, two hundred forty-seven thousand, seven hundred twenty-two".
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