Base | Representation |
---|---|
bin | 10111001000110100… |
… | …10010001110100000 |
3 | 1012001201020112000002 |
4 | 23210122102032200 |
5 | 200420014431430 |
6 | 5412343115132 |
7 | 616554341414 |
oct | 134432221640 |
9 | 35051215002 |
10 | 12422030240 |
11 | 52a4a041a4 |
12 | 24a8142aa8 |
13 | 122c71a669 |
14 | 85bab8d44 |
15 | 4ca836845 |
hex | 2e46923a0 |
12422030240 has 48 divisors (see below), whose sum is σ = 29828169000. Its totient is φ = 4887352320.
The previous prime is 12422030221. The next prime is 12422030267. The reversal of 12422030240 is 4203022421.
It can be written as a sum of positive squares in 4 ways, for example, as 6476386576 + 5945643664 = 80476^2 + 77108^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626615 + ... + 646134.
Almost surely, 212422030240 is an apocalyptic number.
12422030240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12422030240 is an abundant number, since it is smaller than the sum of its proper divisors (17406138760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12422030240 is a wasteful number, since it uses less digits than its factorization.
12422030240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1272825 (or 1272817 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 12422030240 its reverse (4203022421), we get a palindrome (16625052661).
The spelling of 12422030240 in words is "twelve billion, four hundred twenty-two million, thirty thousand, two hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •