Base | Representation |
---|---|
bin | 1110011101010… |
… | …01001101011101 |
3 | 22110012121221212 |
4 | 13032221031131 |
5 | 222021414300 |
6 | 20011234205 |
7 | 3001600016 |
oct | 716511535 |
9 | 273177855 |
10 | 121279325 |
11 | 62505a52 |
12 | 34748965 |
13 | 1c18431b |
14 | 1217000d |
15 | a9a9935 |
hex | 73a935d |
121279325 has 6 divisors (see below), whose sum is σ = 150386394. Its totient is φ = 97023440.
The previous prime is 121279297. The next prime is 121279339. The reversal of 121279325 is 523972121.
It can be written as a sum of positive squares in 3 ways, for example, as 1026169 + 120253156 = 1013^2 + 10966^2 .
It is not a de Polignac number, because 121279325 - 210 = 121278301 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121279291 and 121279300.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2425562 + ... + 2425611.
It is an arithmetic number, because the mean of its divisors is an integer number (25064399).
Almost surely, 2121279325 is an apocalyptic number.
It is an amenable number.
121279325 is a deficient number, since it is larger than the sum of its proper divisors (29107069).
121279325 is an equidigital number, since it uses as much as digits as its factorization.
121279325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4851183 (or 4851178 counting only the distinct ones).
The product of its digits is 7560, while the sum is 32.
The square root of 121279325 is about 11012.6892719263. The cubic root of 121279325 is about 494.9890484942.
The spelling of 121279325 in words is "one hundred twenty-one million, two hundred seventy-nine thousand, three hundred twenty-five".
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