Base | Representation |
---|---|
bin | 10111001011011101… |
… | …10111111111001000 |
3 | 1012010020222010001111 |
4 | 23211232313333020 |
5 | 200441204030000 |
6 | 5414454300104 |
7 | 620243666023 |
oct | 134556677710 |
9 | 35106863044 |
10 | 12444205000 |
11 | 530647a447 |
12 | 24b3657634 |
13 | 12341b2916 |
14 | 860a0c1ba |
15 | 4cc766cba |
hex | 2e5bb7fc8 |
12444205000 has 40 divisors (see below), whose sum is σ = 29156784030. Its totient is φ = 4977680000.
The previous prime is 12444204979. The next prime is 12444205019. The reversal of 12444205000 is 50244421.
It is a happy number.
It can be written as a sum of positive squares in 5 ways, for example, as 718347204 + 11725857796 = 26802^2 + 108286^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1239421 + ... + 1249420.
Almost surely, 212444205000 is an apocalyptic number.
12444205000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12444205000 is an abundant number, since it is smaller than the sum of its proper divisors (16712579030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12444205000 is an equidigital number, since it uses as much as digits as its factorization.
12444205000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2488867 (or 2488848 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 22.
Adding to 12444205000 its reverse (50244421), we get a palindrome (12494449421).
The spelling of 12444205000 in words is "twelve billion, four hundred forty-four million, two hundred five thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •