Base | Representation |
---|---|
bin | 11000011101001111… |
… | …10101001000010000 |
3 | 1020220001211111101221 |
4 | 30032213311020100 |
5 | 203342314133034 |
6 | 10010522134424 |
7 | 643244030602 |
oct | 141647651020 |
9 | 36801744357 |
10 | 13130224144 |
11 | 562873a814 |
12 | 2665351414 |
13 | 13133684cb |
14 | 8c7b87172 |
15 | 51cac6bb4 |
hex | 30e9f5210 |
13130224144 has 10 divisors (see below), whose sum is σ = 25439809310. Its totient is φ = 6565112064.
The previous prime is 13130224141. The next prime is 13130224171. The reversal of 13130224144 is 44142203131.
It can be written as a sum of positive squares in only one way, i.e., 12323664144 + 806560000 = 111012^2 + 28400^2 .
It is not an unprimeable number, because it can be changed into a prime (13130224141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410319489 + ... + 410319520.
It is an arithmetic number, because the mean of its divisors is an integer number (2543980931).
Almost surely, 213130224144 is an apocalyptic number.
It is an amenable number.
13130224144 is a deficient number, since it is larger than the sum of its proper divisors (12309585166).
13130224144 is an equidigital number, since it uses as much as digits as its factorization.
13130224144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 820639017 (or 820639011 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 13130224144 its reverse (44142203131), we get a palindrome (57272427275).
The spelling of 13130224144 in words is "thirteen billion, one hundred thirty million, two hundred twenty-four thousand, one hundred forty-four".
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