Base | Representation |
---|---|
bin | 111000010110101111… |
… | …1000110100001101010 |
3 | 102120101020122101000122 |
4 | 1300231133012201222 |
5 | 3440323141242302 |
6 | 131332530003242 |
7 | 11513020554623 |
oct | 1605537064152 |
9 | 376336571018 |
10 | 121022212202 |
11 | 4736397a2a1 |
12 | 1b556116522 |
13 | b548c00868 |
14 | 5c00dd6a4a |
15 | 3234ac33a2 |
hex | 1c2d7c686a |
121022212202 has 16 divisors (see below), whose sum is σ = 183688420032. Its totient is φ = 59795256000.
The previous prime is 121022212189. The next prime is 121022212217. The reversal of 121022212202 is 202212220121.
It is a happy number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 532799 + ... + 725202.
It is an arithmetic number, because the mean of its divisors is an integer number (11480526252).
Almost surely, 2121022212202 is an apocalyptic number.
121022212202 is a deficient number, since it is larger than the sum of its proper divisors (62666207830).
121022212202 is a wasteful number, since it uses less digits than its factorization.
121022212202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1258573.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 121022212202 its reverse (202212220121), we get a palindrome (323234432323).
The spelling of 121022212202 in words is "one hundred twenty-one billion, twenty-two million, two hundred twelve thousand, two hundred two".
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