Base | Representation |
---|---|
bin | 1110011011100… |
… | …01110001010101 |
3 | 22102210002110111 |
4 | 13031301301111 |
5 | 221442132440 |
6 | 20002323021 |
7 | 2666632666 |
oct | 715616125 |
9 | 272702414 |
10 | 121052245 |
11 | 62370386 |
12 | 34659471 |
13 | 1c104b62 |
14 | 1211136d |
15 | a9624ea |
hex | 7371c55 |
121052245 has 4 divisors (see below), whose sum is σ = 145262700. Its totient is φ = 96841792.
The previous prime is 121052233. The next prime is 121052251. The reversal of 121052245 is 542250121.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 32729841 + 88322404 = 5721^2 + 9398^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121052245 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12105220 + ... + 12105229.
It is an arithmetic number, because the mean of its divisors is an integer number (36315675).
Almost surely, 2121052245 is an apocalyptic number.
It is an amenable number.
121052245 is a deficient number, since it is larger than the sum of its proper divisors (24210455).
121052245 is an equidigital number, since it uses as much as digits as its factorization.
121052245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24210454.
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 121052245 is about 11002.3745164396. The cubic root of 121052245 is about 494.6799209518.
The spelling of 121052245 in words is "one hundred twenty-one million, fifty-two thousand, two hundred forty-five".
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