Base | Representation |
---|---|
bin | 1111100001000… |
… | …01101001011101 |
3 | 100001220212122212 |
4 | 13300201221131 |
5 | 231310124440 |
6 | 20525450205 |
7 | 3140231564 |
oct | 760415135 |
9 | 301825585 |
10 | 130161245 |
11 | 67522085 |
12 | 37710965 |
13 | 20c73cb6 |
14 | 13402bdb |
15 | b661465 |
hex | 7c21a5d |
130161245 has 8 divisors (see below), whose sum is σ = 157228800. Its totient is φ = 103438800.
The previous prime is 130161211. The next prime is 130161253. The reversal of 130161245 is 542161031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-130161245 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 130161245.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85445 + ... + 86954.
It is an arithmetic number, because the mean of its divisors is an integer number (19653600).
Almost surely, 2130161245 is an apocalyptic number.
It is an amenable number.
130161245 is a deficient number, since it is larger than the sum of its proper divisors (27067555).
130161245 is a wasteful number, since it uses less digits than its factorization.
130161245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172555.
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 130161245 is about 11408.8231207255. The cubic root of 130161245 is about 506.7890601033.
The spelling of 130161245 in words is "one hundred thirty million, one hundred sixty-one thousand, two hundred forty-five".
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