Base | Representation |
---|---|
bin | 11000101000100101… |
… | …00100100011101100 |
3 | 1021010200202120220110 |
4 | 30110102210203230 |
5 | 204041140031130 |
6 | 10024200220020 |
7 | 645510214224 |
oct | 142422444354 |
9 | 37120676813 |
10 | 13225314540 |
11 | 5677388619 |
12 | 269116a610 |
13 | 1329c80409 |
14 | 8d665b084 |
15 | 52610bab0 |
hex | 3144a48ec |
13225314540 has 48 divisors (see below), whose sum is σ = 37108270080. Its totient is φ = 3519380160.
The previous prime is 13225314539. The next prime is 13225314559. The reversal of 13225314540 is 4541352231.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 13225314498 and 13225314507.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201346 + ... + 258825.
It is an arithmetic number, because the mean of its divisors is an integer number (773088960).
Almost surely, 213225314540 is an apocalyptic number.
13225314540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13225314540 is an abundant number, since it is smaller than the sum of its proper divisors (23882955540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13225314540 is a wasteful number, since it uses less digits than its factorization.
13225314540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 460662 (or 460660 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 13225314540 its reverse (4541352231), we get a palindrome (17766666771).
The spelling of 13225314540 in words is "thirteen billion, two hundred twenty-five million, three hundred fourteen thousand, five hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •