Base | Representation |
---|---|
bin | 1011110001101100… |
… | …1100100101000100 |
3 | 22011022102221021221 |
4 | 2330123030211010 |
5 | 22433234333040 |
6 | 1241404250124 |
7 | 141224101462 |
oct | 27433144504 |
9 | 8138387257 |
10 | 3161246020 |
11 | 1382493a19 |
12 | 742840944 |
13 | 3b4c2019a |
14 | 21dbbb832 |
15 | 1377e574a |
hex | bc6cc944 |
3161246020 has 24 divisors (see below), whose sum is σ = 6729559704. Its totient is φ = 1247175936.
The previous prime is 3161245937. The next prime is 3161246057. The reversal of 3161246020 is 206421613.
It can be written as a sum of positive squares in 4 ways, for example, as 41576704 + 3119669316 = 6448^2 + 55854^2 .
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, 1081159 + ... + 1084078.
It is an arithmetic number, because the mean of its divisors is an integer number (280398321).
Almost surely, 23161246020 is an apocalyptic number.
It is an amenable number.
3161246020 is an abundant number, since it is smaller than the sum of its proper divisors (3568313684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3161246020 is a wasteful number, since it uses less digits than its factorization.
3161246020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2165319 (or 2165317 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 3161246020 is about 56224.9590484511. The cubic root of 3161246020 is about 1467.6396352788.
Adding to 3161246020 its reverse (206421613), we get a palindrome (3367667633).
The spelling of 3161246020 in words is "three billion, one hundred sixty-one million, two hundred forty-six thousand, twenty".
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