Base | Representation |
---|---|
bin | 10001110010001010111… |
… | …010001001011110000010 |
3 | 11022211110100000221212012 |
4 | 101302022322021132002 |
5 | 130010330402223020 |
6 | 2333231530132522 |
7 | 154202543616401 |
oct | 21621272113602 |
9 | 4284410027765 |
10 | 1222101211010 |
11 | 431321301039 |
12 | 178a27281142 |
13 | 8b3223b5764 |
14 | 432158d3638 |
15 | 21bca15c7c5 |
hex | 11c8ae89782 |
1222101211010 has 96 divisors (see below), whose sum is σ = 2465454193776. Its totient is φ = 434381721600.
The previous prime is 1222101210997. The next prime is 1222101211013. The reversal of 1222101211010 is 101121012221.
It can be written as a sum of positive squares in 8 ways, for example, as 181715490961 + 1040385720049 = 426281^2 + 1019993^2 .
It is not an unprimeable number, because it can be changed into a prime (1222101211013) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6606944 + ... + 6789396.
Almost surely, 21222101211010 is an apocalyptic number.
1222101211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1222101211010 is an abundant number, since it is smaller than the sum of its proper divisors (1243352982766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222101211010 is a wasteful number, since it uses less digits than its factorization.
1222101211010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 182580 (or 182549 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 1222101211010 its reverse (101121012221), we get a palindrome (1323222223231).
The spelling of 1222101211010 in words is "one trillion, two hundred twenty-two billion, one hundred one million, two hundred eleven thousand, ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •