Base | Representation |
---|---|
bin | 10001011110110100111… |
… | …011001110101101100110 |
3 | 11020211211211210012221010 |
4 | 101132310323032231212 |
5 | 124140311303114342 |
6 | 2315514535003050 |
7 | 152536052401503 |
oct | 21366473165546 |
9 | 4224754705833 |
10 | 1201331301222 |
11 | 423533223438 |
12 | 1749ab509486 |
13 | 89392362000 |
14 | 422052764aa |
15 | 213b1a1029c |
hex | 117b4eceb66 |
1201331301222 has 32 divisors (see below), whose sum is σ = 2602793380320. Its totient is φ = 369640396320.
The previous prime is 1201331301167. The next prime is 1201331301223. The reversal of 1201331301222 is 2221031331021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1201331301223) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45553929 + ... + 45580292.
It is an arithmetic number, because the mean of its divisors is an integer number (81337293135).
Almost surely, 21201331301222 is an apocalyptic number.
1201331301222 is an abundant number, since it is smaller than the sum of its proper divisors (1401462079098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1201331301222 is an equidigital number, since it uses as much as digits as its factorization.
1201331301222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91134265 (or 91134239 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 1201331301222 its reverse (2221031331021), we get a palindrome (3422362632243).
The spelling of 1201331301222 in words is "one trillion, two hundred one billion, three hundred thirty-one million, three hundred one thousand, two hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.131 sec. • engine limits •