Base | Representation |
---|---|
bin | 1011111110100011… |
… | …0100110010100101 |
3 | 22022001212112222201 |
4 | 2333220310302211 |
5 | 23041034301440 |
6 | 1251011454501 |
7 | 142450216606 |
oct | 27750646245 |
9 | 8261775881 |
10 | 3215150245 |
11 | 13aa960a6a |
12 | 7588b7431 |
13 | 3c3144688 |
14 | 22700ddad |
15 | 13c3e219a |
hex | bfa34ca5 |
3215150245 has 16 divisors (see below), whose sum is σ = 4087707120. Its totient is φ = 2419293184.
The previous prime is 3215150209. The next prime is 3215150251. The reversal of 3215150245 is 5420515123.
It can be written as a sum of positive squares in 8 ways, for example, as 31708161 + 3183442084 = 5631^2 + 56422^2 .
It is a cyclic number.
It is not a de Polignac number, because 3215150245 - 27 = 3215150117 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134199 + ... + 156331.
It is an arithmetic number, because the mean of its divisors is an integer number (255481695).
Almost surely, 23215150245 is an apocalyptic number.
It is an amenable number.
3215150245 is a deficient number, since it is larger than the sum of its proper divisors (872556875).
3215150245 is a wasteful number, since it uses less digits than its factorization.
3215150245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23864.
The product of its (nonzero) digits is 6000, while the sum is 28.
The square root of 3215150245 is about 56702.2948830116. The cubic root of 3215150245 is about 1475.9345214512.
Adding to 3215150245 its reverse (5420515123), we get a palindrome (8635665368).
The spelling of 3215150245 in words is "three billion, two hundred fifteen million, one hundred fifty thousand, two hundred forty-five".
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