Base | Representation |
---|---|
bin | 1110011011111… |
… | …10011001100001 |
3 | 22102212201102012 |
4 | 13031332121201 |
5 | 222000311334 |
6 | 20003402305 |
7 | 3000236540 |
oct | 715763141 |
9 | 272781365 |
10 | 121103969 |
11 | 623a6228 |
12 | 34683395 |
13 | 1c12256c |
14 | 12126157 |
15 | a9729ce |
hex | 737e661 |
121103969 has 8 divisors (see below), whose sum is σ = 138610368. Its totient is φ = 103649040.
The previous prime is 121103959. The next prime is 121103981. The reversal of 121103969 is 969301121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121103969 is a prime.
It is a super-2 number, since 2×1211039692 = 29332342615105922, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (121103959) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7682 + ... + 17355.
It is an arithmetic number, because the mean of its divisors is an integer number (17326296).
Almost surely, 2121103969 is an apocalyptic number.
It is an amenable number.
121103969 is a deficient number, since it is larger than the sum of its proper divisors (17506399).
121103969 is an equidigital number, since it uses as much as digits as its factorization.
121103969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25735.
The product of its (nonzero) digits is 2916, while the sum is 32.
The square root of 121103969 is about 11004.7248489001. The cubic root of 121103969 is about 494.7503676167.
The spelling of 121103969 in words is "one hundred twenty-one million, one hundred three thousand, nine hundred sixty-nine".
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