Base | Representation |
---|---|
bin | 1110011011110… |
… | …11100100011011 |
3 | 22102212010111221 |
4 | 13031323210123 |
5 | 221444424004 |
6 | 20003232511 |
7 | 3000161002 |
oct | 715734433 |
9 | 272763457 |
10 | 121092379 |
11 | 62398551 |
12 | 34678737 |
13 | 1c11a1c5 |
14 | 12121c39 |
15 | a96e354 |
hex | 737b91b |
121092379 has 8 divisors (see below), whose sum is σ = 124597440. Its totient is φ = 117599616.
The previous prime is 121092337. The next prime is 121092407. The reversal of 121092379 is 973290121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-121092379 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121092319) 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 7 ways as a sum of consecutive naturals, for example, 19182 + ... + 24700.
It is an arithmetic number, because the mean of its divisors is an integer number (15574680).
Almost surely, 2121092379 is an apocalyptic number.
121092379 is a deficient number, since it is larger than the sum of its proper divisors (3505061).
121092379 is an equidigital number, since it uses as much as digits as its factorization.
121092379 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6149.
The product of its (nonzero) digits is 6804, while the sum is 34.
The square root of 121092379 is about 11004.1982443066. The cubic root of 121092379 is about 494.7345840996.
The spelling of 121092379 in words is "one hundred twenty-one million, ninety-two thousand, three hundred seventy-nine".
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