Base | Representation |
---|---|
bin | 1110100011000… |
… | …00101001001001 |
3 | 22111121210121021 |
4 | 13101200221021 |
5 | 222214440130 |
6 | 20035312441 |
7 | 3011146351 |
oct | 721405111 |
9 | 274553537 |
10 | 122030665 |
11 | 62979499 |
12 | 34a4b721 |
13 | 1c3882c3 |
14 | 122c7b61 |
15 | aaa737a |
hex | 7460a49 |
122030665 has 16 divisors (see below), whose sum is σ = 148096080. Its totient is φ = 96526080.
The previous prime is 122030647. The next prime is 122030677. The reversal of 122030665 is 566030221.
It can be written as a sum of positive squares in 8 ways, for example, as 23941449 + 98089216 = 4893^2 + 9904^2 .
It is not a de Polignac number, because 122030665 - 213 = 122022473 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225295 + ... + 225835.
It is an arithmetic number, because the mean of its divisors is an integer number (9256005).
Almost surely, 2122030665 is an apocalyptic number.
It is an amenable number.
122030665 is a deficient number, since it is larger than the sum of its proper divisors (26065415).
122030665 is a wasteful number, since it uses less digits than its factorization.
122030665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 972.
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 122030665 is about 11046.7490692964. The cubic root of 122030665 is about 496.0091171256.
Adding to 122030665 its reverse (566030221), we get a palindrome (688060886).
The spelling of 122030665 in words is "one hundred twenty-two million, thirty thousand, six hundred sixty-five".
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