Base | Representation |
---|---|
bin | 111000010110011111… |
… | …1110111000000111101 |
3 | 102120100200020021110102 |
4 | 1300230333313000331 |
5 | 3440314042202310 |
6 | 131332034250445 |
7 | 11512561134236 |
oct | 1605477670075 |
9 | 376320207412 |
10 | 121014022205 |
11 | 4735a295aaa |
12 | 1b553426a25 |
13 | b5472c3acb |
14 | 5bddca408d |
15 | 32340068a5 |
hex | 1c2cff703d |
121014022205 has 4 divisors (see below), whose sum is σ = 145216826652. Its totient is φ = 96811217760.
The previous prime is 121014022201. The next prime is 121014022237. The reversal of 121014022205 is 502220410121.
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 28243827481 + 92770194724 = 168059^2 + 304582^2 .
It is not a de Polignac number, because 121014022205 - 22 = 121014022201 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121014022201) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12101402216 + ... + 12101402225.
It is an arithmetic number, because the mean of its divisors is an integer number (36304206663).
Almost surely, 2121014022205 is an apocalyptic number.
It is an amenable number.
121014022205 is a deficient number, since it is larger than the sum of its proper divisors (24202804447).
121014022205 is an equidigital number, since it uses as much as digits as its factorization.
121014022205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24202804446.
The product of its (nonzero) digits is 320, while the sum is 20.
Adding to 121014022205 its reverse (502220410121), we get a palindrome (623234432326).
The spelling of 121014022205 in words is "one hundred twenty-one billion, fourteen million, twenty-two thousand, two hundred five".
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