Base | Representation |
---|---|
bin | 1110100011100… |
… | …10001000100011 |
3 | 22111202102212200 |
4 | 13101302020203 |
5 | 222224233212 |
6 | 20041024243 |
7 | 3011565255 |
oct | 721621043 |
9 | 274672780 |
10 | 122102307 |
11 | 62a182a8 |
12 | 34a85083 |
13 | 1c3b1ab2 |
14 | 12305cd5 |
15 | aabd6dc |
hex | 7472223 |
122102307 has 12 divisors (see below), whose sum is σ = 176608224. Its totient is φ = 81291600.
The previous prime is 122102291. The next prime is 122102311. The reversal of 122102307 is 703201221.
It is not a de Polignac number, because 122102307 - 24 = 122102291 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 122102307.
It is not an unprimeable number, because it can be changed into a prime (122102317) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1819 + ... + 15732.
It is an arithmetic number, because the mean of its divisors is an integer number (14717352).
Almost surely, 2122102307 is an apocalyptic number.
122102307 is a deficient number, since it is larger than the sum of its proper divisors (54505917).
122102307 is a wasteful number, since it uses less digits than its factorization.
122102307 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18330 (or 18327 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 122102307 is about 11049.9912669649. The cubic root of 122102307 is about 496.1061641354.
Adding to 122102307 its reverse (703201221), we get a palindrome (825303528).
The spelling of 122102307 in words is "one hundred twenty-two million, one hundred two thousand, three hundred seven".
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