Base | Representation |
---|---|
bin | 1110100011000… |
… | …00110010001111 |
3 | 22111121211101211 |
4 | 13101200302033 |
5 | 222214444442 |
6 | 20035315251 |
7 | 3011151142 |
oct | 721406217 |
9 | 274554354 |
10 | 122031247 |
11 | 62979978 |
12 | 34a4bb27 |
13 | 1c388650 |
14 | 122c8059 |
15 | aaa7617 |
hex | 7460c8f |
122031247 has 8 divisors (see below), whose sum is σ = 131645360. Its totient is φ = 112449600.
The previous prime is 122031229. The next prime is 122031251. The reversal of 122031247 is 742130221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122031247 - 211 = 122029199 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 (122031257) 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 7 ways as a sum of consecutive naturals, for example, 4 + ... + 15622.
It is an arithmetic number, because the mean of its divisors is an integer number (16455670).
Almost surely, 2122031247 is an apocalyptic number.
122031247 is a deficient number, since it is larger than the sum of its proper divisors (9614113).
122031247 is a wasteful number, since it uses less digits than its factorization.
122031247 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16233.
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 122031247 is about 11046.7754118566. The cubic root of 122031247 is about 496.0099056620.
Adding to 122031247 its reverse (742130221), we get a palindrome (864161468).
The spelling of 122031247 in words is "one hundred twenty-two million, thirty-one thousand, two hundred forty-seven".
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