Base | Representation |
---|---|
bin | 1110100011101… |
… | …00100011100111 |
3 | 22111202221111020 |
4 | 13101310203213 |
5 | 222230042411 |
6 | 20041142223 |
7 | 3011636223 |
oct | 721644347 |
9 | 274687436 |
10 | 122112231 |
11 | 62a247aa |
12 | 34a8a973 |
13 | 1c3b6477 |
14 | 12309783 |
15 | aac1606 |
hex | 74748e7 |
122112231 has 8 divisors (see below), whose sum is σ = 163278960. Its totient is φ = 81176832.
The previous prime is 122112229. The next prime is 122112239. The reversal of 122112231 is 132211221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122112231 - 21 = 122112229 is a prime.
It is a super-2 number, since 2×1221122312 = 29822793919594722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 122112231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122112239) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56596 + ... + 58713.
It is an arithmetic number, because the mean of its divisors is an integer number (20409870).
Almost surely, 2122112231 is an apocalyptic number.
122112231 is a deficient number, since it is larger than the sum of its proper divisors (41166729).
122112231 is a wasteful number, since it uses less digits than its factorization.
122112231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115665.
The product of its digits is 48, while the sum is 15.
The square root of 122112231 is about 11050.4403079696. The cubic root of 122112231 is about 496.1196042970.
Adding to 122112231 its reverse (132211221), we get a palindrome (254323452).
The spelling of 122112231 in words is "one hundred twenty-two million, one hundred twelve thousand, two hundred thirty-one".
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