Base | Representation |
---|---|
bin | 1110100011100… |
… | …01110100011010 |
3 | 22111202101002221 |
4 | 13101301310122 |
5 | 222224213033 |
6 | 20041014254 |
7 | 3011561434 |
oct | 721616432 |
9 | 274671087 |
10 | 122101018 |
11 | 62a17336 |
12 | 34a8438a |
13 | 1c3b1330 |
14 | 12305654 |
15 | aabd12d |
hex | 7471d1a |
122101018 has 32 divisors (see below), whose sum is σ = 203003136. Its totient is φ = 54727488.
The previous prime is 122101013. The next prime is 122101019. The reversal of 122101018 is 810101221.
It is a junction number, because it is equal to n+sod(n) for n = 122100992 and 122101010.
It is not an unprimeable number, because it can be changed into a prime (122101013) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198880 + ... + 199492.
It is an arithmetic number, because the mean of its divisors is an integer number (6343848).
Almost surely, 2122101018 is an apocalyptic number.
122101018 is a deficient number, since it is larger than the sum of its proper divisors (80902118).
122101018 is a wasteful number, since it uses less digits than its factorization.
122101018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 838.
The product of its (nonzero) digits is 32, while the sum is 16.
The square root of 122101018 is about 11049.9329409730. The cubic root of 122101018 is about 496.1044183778.
Adding to 122101018 its reverse (810101221), we get a palindrome (932202239).
The spelling of 122101018 in words is "one hundred twenty-two million, one hundred one thousand, eighteen".
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