Base | Representation |
---|---|
bin | 1110110101111001… |
… | …00000001100000001 |
3 | 202120022200120222210 |
4 | 13122330200030001 |
5 | 112304333321430 |
6 | 3354403252333 |
7 | 401314046145 |
oct | 73274401401 |
9 | 22508616883 |
10 | 7968260865 |
11 | 341996a364 |
12 | 166467a0a9 |
13 | 99caac676 |
14 | 5583a5225 |
15 | 31982b2b0 |
hex | 1daf20301 |
7968260865 has 16 divisors (see below), whose sum is σ = 12782865600. Its totient is φ = 4238523072.
The previous prime is 7968260747. The next prime is 7968260887. The reversal of 7968260865 is 5680628697.
It is not a de Polignac number, because 7968260865 - 215 = 7968228097 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695130 + ... + 706499.
It is an arithmetic number, because the mean of its divisors is an integer number (798929100).
Almost surely, 27968260865 is an apocalyptic number.
It is an amenable number.
7968260865 is a deficient number, since it is larger than the sum of its proper divisors (4814604735).
7968260865 is a wasteful number, since it uses less digits than its factorization.
7968260865 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1402016.
The product of its (nonzero) digits is 8709120, while the sum is 57.
The square root of 7968260865 is about 89265.1156107468. The cubic root of 7968260865 is about 1997.3515665315.
The spelling of 7968260865 in words is "seven billion, nine hundred sixty-eight million, two hundred sixty thousand, eight hundred sixty-five".
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