Base | Representation |
---|---|
bin | 1110100011111… |
… | …00100101011011 |
3 | 22111211121121011 |
4 | 13101330211123 |
5 | 222232120430 |
6 | 20041554351 |
7 | 3012134131 |
oct | 721744533 |
9 | 274747534 |
10 | 122145115 |
11 | 62a47484 |
12 | 34aa59b7 |
13 | 1c3c8421 |
14 | 12317751 |
15 | aacb22a |
hex | 747c95b |
122145115 has 8 divisors (see below), whose sum is σ = 151302528. Its totient is φ = 94563840.
The previous prime is 122145097. The next prime is 122145137. The reversal of 122145115 is 511541221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122145115 - 211 = 122143067 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393862 + ... + 394171.
It is an arithmetic number, because the mean of its divisors is an integer number (18912816).
Almost surely, 2122145115 is an apocalyptic number.
122145115 is a deficient number, since it is larger than the sum of its proper divisors (29157413).
122145115 is an equidigital number, since it uses as much as digits as its factorization.
122145115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 788069.
The product of its digits is 400, while the sum is 22.
The square root of 122145115 is about 11051.9281123250. The cubic root of 122145115 is about 496.1641341875.
Adding to 122145115 its reverse (511541221), we get a palindrome (633686336).
The spelling of 122145115 in words is "one hundred twenty-two million, one hundred forty-five thousand, one hundred fifteen".
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