Base | Representation |
---|---|
bin | 1011111110100100… |
… | …1011100111000001 |
3 | 22022002001022012111 |
4 | 2333221023213001 |
5 | 23041100244323 |
6 | 1251013455321 |
7 | 142451056243 |
oct | 27751134701 |
9 | 8262038174 |
10 | 3215243713 |
11 | 13aaa15210 |
12 | 758941541 |
13 | 3c3178096 |
14 | 227036093 |
15 | 13c40ec0d |
hex | bfa4b9c1 |
3215243713 has 8 divisors (see below), whose sum is σ = 3511820736. Its totient is φ = 2919380400.
The previous prime is 3215243701. The next prime is 3215243719. The reversal of 3215243713 is 3173425123.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3215243713 - 213 = 3215235521 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3215243719) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168981 + ... + 187042.
It is an arithmetic number, because the mean of its divisors is an integer number (438977592).
Almost surely, 23215243713 is an apocalyptic number.
It is an amenable number.
3215243713 is a deficient number, since it is larger than the sum of its proper divisors (296577023).
3215243713 is a wasteful number, since it uses less digits than its factorization.
3215243713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 356855.
The product of its digits is 15120, while the sum is 31.
The square root of 3215243713 is about 56703.1190764670. The cubic root of 3215243713 is about 1475.9488236663.
Adding to 3215243713 its reverse (3173425123), we get a palindrome (6388668836).
The spelling of 3215243713 in words is "three billion, two hundred fifteen million, two hundred forty-three thousand, seven hundred thirteen".
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