Base | Representation |
---|---|
bin | 11000101000001100… |
… | …11001001000010001 |
3 | 1021010110202101120021 |
4 | 30110012121020101 |
5 | 204034330401001 |
6 | 10024003543441 |
7 | 645441116434 |
oct | 142406311021 |
9 | 37113671507 |
10 | 13222122001 |
11 | 56755a7a60 |
12 | 269008ab81 |
13 | 132940323a |
14 | 8d606981b |
15 | 525bcaba1 |
hex | 314199211 |
13222122001 has 4 divisors (see below), whose sum is σ = 14424133104. Its totient is φ = 12020110900.
The previous prime is 13222121993. The next prime is 13222122049. The reversal of 13222122001 is 10022122231.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10022122231 = 11 ⋅911102021.
It is a cyclic number.
It is not a de Polignac number, because 13222122001 - 23 = 13222121993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13222122071) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601005535 + ... + 601005556.
It is an arithmetic number, because the mean of its divisors is an integer number (3606033276).
Almost surely, 213222122001 is an apocalyptic number.
13222122001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
13222122001 is a deficient number, since it is larger than the sum of its proper divisors (1202011103).
13222122001 is a wasteful number, since it uses less digits than its factorization.
13222122001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1202011102.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 13222122001 its reverse (10022122231), we get a palindrome (23244244232).
The spelling of 13222122001 in words is "thirteen billion, two hundred twenty-two million, one hundred twenty-two thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •