Base | Representation |
---|---|
bin | 111111111110100… |
… | …0000001001010101 |
3 | 12112121101112210102 |
4 | 1333331000021111 |
5 | 13344023312223 |
6 | 553003103445 |
7 | 104124426131 |
oct | 17775001125 |
9 | 5477345712 |
10 | 2146697813 |
11 | a01833927 |
12 | 4bab11b85 |
13 | 28298b1c0 |
14 | 1651643c1 |
15 | c86dd928 |
hex | 7ff40255 |
2146697813 has 8 divisors (see below), whose sum is σ = 2312727648. Its totient is φ = 1980796464.
The previous prime is 2146697747. The next prime is 2146697837. The reversal of 2146697813 is 3187966412.
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 2146697813 - 226 = 2079588949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2146697873) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4106 + ... + 65652.
It is an arithmetic number, because the mean of its divisors is an integer number (289090956).
Almost surely, 22146697813 is an apocalyptic number.
It is an amenable number.
2146697813 is a deficient number, since it is larger than the sum of its proper divisors (166029835).
2146697813 is a wasteful number, since it uses less digits than its factorization.
2146697813 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64243.
The product of its digits is 435456, while the sum is 47.
The square root of 2146697813 is about 46332.4703960408. The cubic root of 2146697813 is about 1290.0017653162.
The spelling of 2146697813 in words is "two billion, one hundred forty-six million, six hundred ninety-seven thousand, eight hundred thirteen".
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