Base | Representation |
---|---|
bin | 10110011110001100… |
… | …10101110110001001 |
3 | 1011010210110010011122 |
4 | 23033012111312021 |
5 | 144202001340044 |
6 | 5313051405025 |
7 | 604653251654 |
oct | 131706256611 |
9 | 34123403148 |
10 | 12064480649 |
11 | 51310a2971 |
12 | 2408453775 |
13 | 11a3620060 |
14 | 82640489b |
15 | 4a925adee |
hex | 2cf195d89 |
12064480649 has 8 divisors (see below), whose sum is σ = 12997143432. Its totient is φ = 11132478720.
The previous prime is 12064480643. The next prime is 12064480663. The reversal of 12064480649 is 94608446021.
It can be written as a sum of positive squares in 4 ways, for example, as 1717522249 + 10346958400 = 41443^2 + 101720^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12064480649 is a prime.
It is a super-2 number, since 2×120644806492 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12064480643) 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, 126962 + ... + 200619.
It is an arithmetic number, because the mean of its divisors is an integer number (1624642929).
Almost surely, 212064480649 is an apocalyptic number.
It is an amenable number.
12064480649 is a deficient number, since it is larger than the sum of its proper divisors (932662783).
12064480649 is a wasteful number, since it uses less digits than its factorization.
12064480649 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 330427.
The product of its (nonzero) digits is 331776, while the sum is 44.
The spelling of 12064480649 in words is "twelve billion, sixty-four million, four hundred eighty thousand, six hundred forty-nine".
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