Base | Representation |
---|---|
bin | 1110100100101… |
… | …01100000100111 |
3 | 22112000210122100 |
4 | 13102111200213 |
5 | 222243402312 |
6 | 20044103143 |
7 | 3013040565 |
oct | 722254047 |
9 | 275023570 |
10 | 122247207 |
11 | 63007155 |
12 | 34b34ab3 |
13 | 1c432a34 |
14 | 12342a35 |
15 | aaeb5dc |
hex | 7495827 |
122247207 has 12 divisors (see below), whose sum is σ = 178815520. Its totient is φ = 80466048.
The previous prime is 122247193. The next prime is 122247211. The reversal of 122247207 is 702742221.
It is not a de Polignac number, because 122247207 - 26 = 122247143 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 (122247217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85258 + ... + 86679.
Almost surely, 2122247207 is an apocalyptic number.
122247207 is a deficient number, since it is larger than the sum of its proper divisors (56568313).
122247207 is a wasteful number, since it uses less digits than its factorization.
122247207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172022 (or 172019 counting only the distinct ones).
The product of its (nonzero) digits is 3136, while the sum is 27.
The square root of 122247207 is about 11056.5458892007. The cubic root of 122247207 is about 496.3023312345.
Adding to 122247207 its reverse (702742221), we get a palindrome (824989428).
The spelling of 122247207 in words is "one hundred twenty-two million, two hundred forty-seven thousand, two hundred seven".
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