Base | Representation |
---|---|
bin | 111000011001111111… |
… | …0111110111100000110 |
3 | 102120122211210012111002 |
4 | 1300303332332330012 |
5 | 3441034043424110 |
6 | 131351422413302 |
7 | 11515513330613 |
oct | 1606376767406 |
9 | 376584705432 |
10 | 121131233030 |
11 | 4740a472255 |
12 | 1b586731232 |
13 | b565682322 |
14 | 5c1169550a |
15 | 323e45aaa5 |
hex | 1c33fbef06 |
121131233030 has 32 divisors (see below), whose sum is σ = 232830685440. Its totient is φ = 45272626560.
The previous prime is 121131233009. The next prime is 121131233051. The reversal of 121131233030 is 30332131121.
It is an interprime number because it is at equal distance from previous prime (121131233009) and next prime (121131233051).
It is a junction number, because it is equal to n+sod(n) for n = 121131232993 and 121131233011.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6728009 + ... + 6745988.
It is an arithmetic number, because the mean of its divisors is an integer number (7275958920).
Almost surely, 2121131233030 is an apocalyptic number.
121131233030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121131233030 is a deficient number, since it is larger than the sum of its proper divisors (111699452410).
121131233030 is a wasteful number, since it uses less digits than its factorization.
121131233030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13474064.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 121131233030 its reverse (30332131121), we get a palindrome (151463364151).
The spelling of 121131233030 in words is "one hundred twenty-one billion, one hundred thirty-one million, two hundred thirty-three thousand, thirty".
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