Base | Representation |
---|---|
bin | 1110100111111… |
… | …11101000011010 |
3 | 22112211212220102 |
4 | 13103333220122 |
5 | 222401310012 |
6 | 20101255402 |
7 | 3016531061 |
oct | 723775032 |
9 | 275755812 |
10 | 122681882 |
11 | 63283794 |
12 | 35104562 |
13 | 1c55583b |
14 | 124171d8 |
15 | ab852c2 |
hex | 74ffa1a |
122681882 has 8 divisors (see below), whose sum is σ = 184223700. Its totient is φ = 61273984.
The previous prime is 122681869. The next prime is 122681887. The reversal of 122681882 is 288186221.
It can be written as a sum of positive squares in 2 ways, for example, as 75498721 + 47183161 = 8689^2 + 6869^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (122681887) 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 3 ways as a sum of consecutive naturals, for example, 31157 + ... + 34872.
Almost surely, 2122681882 is an apocalyptic number.
122681882 is a deficient number, since it is larger than the sum of its proper divisors (61541818).
122681882 is an equidigital number, since it uses as much as digits as its factorization.
122681882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66960.
The product of its digits is 24576, while the sum is 38.
The square root of 122681882 is about 11076.1853541732. The cubic root of 122681882 is about 496.8898702985.
The spelling of 122681882 in words is "one hundred twenty-two million, six hundred eighty-one thousand, eight hundred eighty-two".
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