Base | Representation |
---|---|
bin | 111000010110101111… |
… | …1000100000011110110 |
3 | 102120101020121212011120 |
4 | 1300231133010003312 |
5 | 3440323140431402 |
6 | 131332525444410 |
7 | 11513020513314 |
oct | 1605537040366 |
9 | 376336555146 |
10 | 121022202102 |
11 | 4736397274a |
12 | 1b556110706 |
13 | b548bc9099 |
14 | 5c00dd30b4 |
15 | 3234ac03bc |
hex | 1c2d7c40f6 |
121022202102 has 32 divisors (see below), whose sum is σ = 252586363392. Its totient is φ = 38583994944.
The previous prime is 121022202097. The next prime is 121022202109. The reversal of 121022202102 is 201202220121.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121022202109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2779383 + ... + 2822589.
It is an arithmetic number, because the mean of its divisors is an integer number (7893323856).
Almost surely, 2121022202102 is an apocalyptic number.
121022202102 is an abundant number, since it is smaller than the sum of its proper divisors (131564161290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121022202102 is a wasteful number, since it uses less digits than its factorization.
121022202102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63532.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 121022202102 its reverse (201202220121), we get a palindrome (322224422223).
The spelling of 121022202102 in words is "one hundred twenty-one billion, twenty-two million, two hundred two thousand, one hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •