Base | Representation |
---|---|
bin | 1011111101100100… |
… | …0110110111111101 |
3 | 22021210010020002112 |
4 | 2333121012313331 |
5 | 23034010430023 |
6 | 1250343303405 |
7 | 142400206352 |
oct | 27731066775 |
9 | 8253106075 |
10 | 3211030013 |
11 | 13a85a7414 |
12 | 75744ab65 |
13 | 3c2331179 |
14 | 22665a629 |
15 | 13bd7b478 |
hex | bf646dfd |
3211030013 has 4 divisors (see below), whose sum is σ = 3232580700. Its totient is φ = 3189479328.
The previous prime is 3211029953. The next prime is 3211030033. The reversal of 3211030013 is 3100301123.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 104305369 + 3106724644 = 10213^2 + 55738^2 .
It is a cyclic number.
It is not a de Polignac number, because 3211030013 - 214 = 3211013629 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 3211030013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3211030033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10775120 + ... + 10775417.
It is an arithmetic number, because the mean of its divisors is an integer number (808145175).
Almost surely, 23211030013 is an apocalyptic number.
It is an amenable number.
3211030013 is a deficient number, since it is larger than the sum of its proper divisors (21550687).
3211030013 is a wasteful number, since it uses less digits than its factorization.
3211030013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21550686.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 3211030013 is about 56665.9510905800. The cubic root of 3211030013 is about 1475.3037793162.
Adding to 3211030013 its reverse (3100301123), we get a palindrome (6311331136).
The spelling of 3211030013 in words is "three billion, two hundred eleven million, thirty thousand, thirteen".
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