Base | Representation |
---|---|
bin | 1110011011111… |
… | …11101001010010 |
3 | 22102212222102021 |
4 | 13031333221102 |
5 | 222000442244 |
6 | 20003442054 |
7 | 3000260452 |
oct | 715775122 |
9 | 272788367 |
10 | 121109074 |
11 | 623aa049 |
12 | 3468632a |
13 | 1c124998 |
14 | 12127d62 |
15 | a974284 |
hex | 737fa52 |
121109074 has 4 divisors (see below), whose sum is σ = 181663614. Its totient is φ = 60554536.
The previous prime is 121109057. The next prime is 121109077. The reversal of 121109074 is 470901121.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 105165025 + 15944049 = 10255^2 + 3993^2 .
It is a zygodrome in base 5.
It is not an unprimeable number, because it can be changed into a prime (121109077) 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 as a sum of consecutive naturals, namely, 30277267 + ... + 30277270.
Almost surely, 2121109074 is an apocalyptic number.
121109074 is a deficient number, since it is larger than the sum of its proper divisors (60554540).
121109074 is an equidigital number, since it uses as much as digits as its factorization.
121109074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60554539.
The product of its (nonzero) digits is 504, while the sum is 25.
The square root of 121109074 is about 11004.9567922823. The cubic root of 121109074 is about 494.7573193985.
The spelling of 121109074 in words is "one hundred twenty-one million, one hundred nine thousand, seventy-four".
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