Base | Representation |
---|---|
bin | 1110011011100… |
… | …11110111010010 |
3 | 22102210112020000 |
4 | 13031303313102 |
5 | 221442421233 |
6 | 20002430430 |
7 | 2666666664 |
oct | 715636722 |
9 | 272715200 |
10 | 121060818 |
11 | 6237686a |
12 | 34662416 |
13 | 1c108a28 |
14 | 12114534 |
15 | a964d13 |
hex | 7373dd2 |
121060818 has 80 divisors (see below), whose sum is σ = 293536320. Its totient is φ = 37161504.
The previous prime is 121060813. The next prime is 121060843. The reversal of 121060818 is 818060121.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 121060791 and 121060800.
It is not an unprimeable number, because it can be changed into a prime (121060811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 113355 + ... + 114417.
It is an arithmetic number, because the mean of its divisors is an integer number (3669204).
Almost surely, 2121060818 is an apocalyptic number.
121060818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 121060818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146768160).
121060818 is an abundant number, since it is smaller than the sum of its proper divisors (172475502).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121060818 is a wasteful number, since it uses less digits than its factorization.
121060818 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1133 (or 1124 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 27.
The square root of 121060818 is about 11002.7641072596. The cubic root of 121060818 is about 494.6915985291.
The spelling of 121060818 in words is "one hundred twenty-one million, sixty thousand, eight hundred eighteen".
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