Base | Representation |
---|---|
bin | 1110100010100… |
… | …00001001001110 |
3 | 22111111100220100 |
4 | 13101100021032 |
5 | 222210304321 |
6 | 20034031530 |
7 | 3010445340 |
oct | 721201116 |
9 | 274440810 |
10 | 121963086 |
11 | 62932743 |
12 | 34a185a6 |
13 | 1c36360b |
14 | 122ab290 |
15 | aa92326 |
hex | 745024e |
121963086 has 24 divisors (see below), whose sum is σ = 302004144. Its totient is φ = 34846560.
The previous prime is 121963081. The next prime is 121963099. The reversal of 121963086 is 680369121.
121963086 is a `hidden beast` number, since 1 + 2 + 19 + 630 + 8 + 6 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 121963086.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121963081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 483855 + ... + 484106.
It is an arithmetic number, because the mean of its divisors is an integer number (12583506).
Almost surely, 2121963086 is an apocalyptic number.
121963086 is an abundant number, since it is smaller than the sum of its proper divisors (180041058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121963086 is a wasteful number, since it uses less digits than its factorization.
121963086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 967976 (or 967973 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 121963086 is about 11043.6898725019. The cubic root of 121963086 is about 495.9175390794.
The spelling of 121963086 in words is "one hundred twenty-one million, nine hundred sixty-three thousand, eighty-six".
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