Base | Representation |
---|---|
bin | 11000110100000000… |
… | …11101011100110011 |
3 | 1021101101020121100202 |
4 | 30122000131130303 |
5 | 204240213331011 |
6 | 10041504105415 |
7 | 651053405426 |
oct | 143200353463 |
9 | 37341217322 |
10 | 13321230131 |
11 | 571653a400 |
12 | 26b930526b |
13 | 1343ac3ac1 |
14 | 9052a79bd |
15 | 52e75623b |
hex | 31a01d733 |
13321230131 has 24 divisors (see below), whose sum is σ = 15139017600. Its totient is φ = 11700691200.
The previous prime is 13321230119. The next prime is 13321230133. The reversal of 13321230131 is 13103212331.
It is not a de Polignac number, because 13321230131 - 218 = 13320967987 is a prime.
It is a super-2 number, since 2×133212301312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13321230133) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2656955 + ... + 2661963.
It is an arithmetic number, because the mean of its divisors is an integer number (630792400).
Almost surely, 213321230131 is an apocalyptic number.
13321230131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13321230131 is a deficient number, since it is larger than the sum of its proper divisors (1817787469).
13321230131 is a wasteful number, since it uses less digits than its factorization.
13321230131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5771 (or 5760 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 13321230131 its reverse (13103212331), we get a palindrome (26424442462).
The spelling of 13321230131 in words is "thirteen billion, three hundred twenty-one million, two hundred thirty thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •