Base | Representation |
---|---|
bin | 1110010001101010… |
… | …01001000011010101 |
3 | 201210010210212121002 |
4 | 13020311021003111 |
5 | 111144032404310 |
6 | 3304305233045 |
7 | 360633553043 |
oct | 71065110325 |
9 | 21703725532 |
10 | 7664341205 |
11 | 3283358a94 |
12 | 159a932785 |
13 | 951b3b751 |
14 | 529c91393 |
15 | 2ecce5da5 |
hex | 1c8d490d5 |
7664341205 has 4 divisors (see below), whose sum is σ = 9197209452. Its totient is φ = 6131472960.
The previous prime is 7664341193. The next prime is 7664341211. The reversal of 7664341205 is 5021434667.
It is a happy number.
7664341205 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5021434667 = 15877 ⋅316271.
It can be written as a sum of positive squares in 2 ways, for example, as 1681164004 + 5983177201 = 41002^2 + 77351^2 .
It is not a de Polignac number, because 7664341205 - 28 = 7664340949 is a prime.
It is a super-2 number, since 2×76643412052 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766434116 + ... + 766434125.
It is an arithmetic number, because the mean of its divisors is an integer number (2299302363).
Almost surely, 27664341205 is an apocalyptic number.
It is an amenable number.
7664341205 is a deficient number, since it is larger than the sum of its proper divisors (1532868247).
7664341205 is a wasteful number, since it uses less digits than its factorization.
7664341205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1532868246.
The product of its (nonzero) digits is 120960, while the sum is 38.
The square root of 7664341205 is about 87546.2232480648. The cubic root of 7664341205 is about 1971.6278474797.
The spelling of 7664341205 in words is "seven billion, six hundred sixty-four million, three hundred forty-one thousand, two hundred five".
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