Base | Representation |
---|---|
bin | 1110100100010… |
… | …11101110001011 |
3 | 22111221202122110 |
4 | 13102023232023 |
5 | 222241111430 |
6 | 20043153403 |
7 | 3012512652 |
oct | 722135613 |
9 | 274852573 |
10 | 122207115 |
11 | 62a8a018 |
12 | 34b15863 |
13 | 1c41a704 |
14 | 12332199 |
15 | aade7b0 |
hex | 748bb8b |
122207115 has 32 divisors (see below), whose sum is σ = 207323136. Its totient is φ = 61361280.
The previous prime is 122207089. The next prime is 122207159. The reversal of 122207115 is 511702221.
It is not a de Polignac number, because 122207115 - 25 = 122207083 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 122207091 and 122207100.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13654 + ... + 20756.
It is an arithmetic number, because the mean of its divisors is an integer number (6478848).
Almost surely, 2122207115 is an apocalyptic number.
122207115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
122207115 is a deficient number, since it is larger than the sum of its proper divisors (85116021).
122207115 is a wasteful number, since it uses less digits than its factorization.
122207115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7179.
The product of its (nonzero) digits is 280, while the sum is 21.
The square root of 122207115 is about 11054.7326969041. The cubic root of 122207115 is about 496.2480697939.
Adding to 122207115 its reverse (511702221), we get a palindrome (633909336).
The spelling of 122207115 in words is "one hundred twenty-two million, two hundred seven thousand, one hundred fifteen".
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