Base | Representation |
---|---|
bin | 1110100011011… |
… | …10001000110010 |
3 | 22111201121102102 |
4 | 13101232020302 |
5 | 222223222223 |
6 | 20040420402 |
7 | 3011466452 |
oct | 721561062 |
9 | 274647372 |
10 | 122085938 |
11 | 62a06a77 |
12 | 34a77702 |
13 | 1c3a7500 |
14 | 122ddd62 |
15 | aab8928 |
hex | 746e232 |
122085938 has 18 divisors (see below), whose sum is σ = 198629847. Its totient is φ = 56253600.
The previous prime is 122085937. The next prime is 122085947. The reversal of 122085938 is 839580221.
It can be written as a sum of positive squares in 5 ways, for example, as 59089969 + 62995969 = 7687^2 + 7937^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=7813.
It is not an unprimeable number, because it can be changed into a prime (122085937) 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 8 ways as a sum of consecutive naturals, for example, 202838 + ... + 203438.
Almost surely, 2122085938 is an apocalyptic number.
122085938 is a deficient number, since it is larger than the sum of its proper divisors (76543909).
122085938 is an frugal number, since it uses more digits than its factorization.
122085938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1230 (or 616 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 38.
The square root of 122085938 is about 11049.2505628210. The cubic root of 122085938 is about 496.0839938617.
The spelling of 122085938 in words is "one hundred twenty-two million, eighty-five thousand, nine hundred thirty-eight".
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