Base | Representation |
---|---|
bin | 11000100111111110… |
… | …00100001010101011 |
3 | 1021010100010210121221 |
4 | 30103333010022223 |
5 | 204033332414011 |
6 | 10023454442511 |
7 | 645415566304 |
oct | 142377041253 |
9 | 37110123557 |
10 | 13220201131 |
11 | 5674505865 |
12 | 268b503437 |
13 | 1328bacb27 |
14 | 8d5ac97ab |
15 | 52594b971 |
hex | 313fc42ab |
13220201131 has 8 divisors (see below), whose sum is σ = 13651747200. Its totient is φ = 12788973120.
The previous prime is 13220201053. The next prime is 13220201167. The reversal of 13220201131 is 13110202231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13220201131 - 27 = 13220201003 is a prime.
It is a super-2 number, since 2×132202011312 (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 (13220201531) 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, 6465 + ... + 162733.
It is an arithmetic number, because the mean of its divisors is an integer number (1706468400).
Almost surely, 213220201131 is an apocalyptic number.
13220201131 is a deficient number, since it is larger than the sum of its proper divisors (431546069).
13220201131 is a wasteful number, since it uses less digits than its factorization.
13220201131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159029.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 13220201131 its reverse (13110202231), we get a palindrome (26330403362).
The spelling of 13220201131 in words is "thirteen billion, two hundred twenty million, two hundred one thousand, one hundred thirty-one".
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