Base | Representation |
---|---|
bin | 1110011011001… |
… | …11011101011010 |
3 | 22102200221112020 |
4 | 13031213131122 |
5 | 221434310020 |
6 | 20001355310 |
7 | 2666365602 |
oct | 715473532 |
9 | 272627466 |
10 | 121010010 |
11 | 62341680 |
12 | 34638b36 |
13 | 1c0bb874 |
14 | 120ddc02 |
15 | a954c40 |
hex | 736775a |
121010010 has 32 divisors (see below), whose sum is σ = 316827072. Its totient is φ = 29335680.
The previous prime is 121009997. The next prime is 121010033. The reversal of 121010010 is 10010121.
It is a Harshad number since it is a multiple of its sum of digits (6).
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 183019 + ... + 183678.
It is an arithmetic number, because the mean of its divisors is an integer number (9900846).
Almost surely, 2121010010 is an apocalyptic number.
121010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121010010 is an abundant number, since it is smaller than the sum of its proper divisors (195817062).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121010010 is a wasteful number, since it uses less digits than its factorization.
121010010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 366718.
The product of its (nonzero) digits is 2, while the sum is 6.
The square root of 121010010 is about 11000.4549905902. The cubic root of 121010010 is about 494.6223831596.
Adding to 121010010 its reverse (10010121), we get a palindrome (131020131).
The spelling of 121010010 in words is "one hundred twenty-one million, ten thousand, ten".
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