Base | Representation |
---|---|
bin | 1110100100001… |
… | …01001010110001 |
3 | 22111220101211022 |
4 | 13102011022301 |
5 | 222234232043 |
6 | 20042425225 |
7 | 3012341465 |
oct | 722051261 |
9 | 274811738 |
10 | 122180273 |
11 | 62a70936 |
12 | 34b02215 |
13 | 1c40b427 |
14 | 123264a5 |
15 | aad6868 |
hex | 74852b1 |
122180273 has 2 divisors, whose sum is σ = 122180274. Its totient is φ = 122180272.
The previous prime is 122180251. The next prime is 122180281. The reversal of 122180273 is 372081221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 77651344 + 44528929 = 8812^2 + 6673^2 .
It is an emirp because it is prime and its reverse (372081221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 122180273 - 28 = 122180017 is a prime.
It is a super-2 number, since 2×1221802732 = 29856038220709058, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (122680273) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61090136 + 61090137.
It is an arithmetic number, because the mean of its divisors is an integer number (61090137).
Almost surely, 2122180273 is an apocalyptic number.
It is an amenable number.
122180273 is a deficient number, since it is larger than the sum of its proper divisors (1).
122180273 is an equidigital number, since it uses as much as digits as its factorization.
122180273 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 122180273 is about 11053.5185800721. The cubic root of 122180273 is about 496.2117345771.
The spelling of 122180273 in words is "one hundred twenty-two million, one hundred eighty thousand, two hundred seventy-three".
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