Base | Representation |
---|---|
bin | 11000011100010100… |
… | …01001101111010010 |
3 | 1020212112012020101102 |
4 | 30032022021233102 |
5 | 203333321203432 |
6 | 10010043304402 |
7 | 643120635635 |
oct | 141612115722 |
9 | 36775166342 |
10 | 13122444242 |
11 | 5624306646 |
12 | 266281b102 |
13 | 131187330b |
14 | 8c6b1dc1c |
15 | 51c08b962 |
hex | 30e289bd2 |
13122444242 has 16 divisors (see below), whose sum is σ = 20545088832. Its totient is φ = 6274237200.
The previous prime is 13122444241. The next prime is 13122444253. The reversal of 13122444242 is 24244422131.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (13122444241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140108 + ... + 214184.
It is an arithmetic number, because the mean of its divisors is an integer number (1284068052).
Almost surely, 213122444242 is an apocalyptic number.
13122444242 is a deficient number, since it is larger than the sum of its proper divisors (7422644590).
13122444242 is a wasteful number, since it uses less digits than its factorization.
13122444242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77953.
The product of its digits is 12288, while the sum is 29.
Adding to 13122444242 its reverse (24244422131), we get a palindrome (37366866373).
The spelling of 13122444242 in words is "thirteen billion, one hundred twenty-two million, four hundred forty-four thousand, two hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •