Base | Representation |
---|---|
bin | 11000101000001101… |
… | …01101111111011110 |
3 | 1021010110220201210012 |
4 | 30110012231333132 |
5 | 204034341114304 |
6 | 10024005443222 |
7 | 645441623531 |
oct | 142406557736 |
9 | 37113821705 |
10 | 13222207454 |
11 | 5675656185 |
12 | 2690110512 |
13 | 13294330c1 |
14 | 8d608ca18 |
15 | 525be616e |
hex | 3141adfde |
13222207454 has 8 divisors (see below), whose sum is σ = 20112653808. Its totient is φ = 6517989520.
The previous prime is 13222207391. The next prime is 13222207457. The reversal of 13222207454 is 45470222231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×132222074542 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13222207454.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13222207457) 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, 46556927 + ... + 46557210.
It is an arithmetic number, because the mean of its divisors is an integer number (2514081726).
Almost surely, 213222207454 is an apocalyptic number.
13222207454 is a deficient number, since it is larger than the sum of its proper divisors (6890446354).
13222207454 is an equidigital number, since it uses as much as digits as its factorization.
13222207454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93114210.
The product of its (nonzero) digits is 26880, while the sum is 32.
Adding to 13222207454 its reverse (45470222231), we get a palindrome (58692429685).
The spelling of 13222207454 in words is "thirteen billion, two hundred twenty-two million, two hundred seven thousand, four hundred fifty-four".
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