Base | Representation |
---|---|
bin | 111100100111000101… |
… | …111001111100001101 |
3 | 20012222120012021201200 |
4 | 330213011321330031 |
5 | 2031241033301114 |
6 | 45521510100113 |
7 | 4462516002603 |
oct | 744705717415 |
9 | 205876167650 |
10 | 65080368909 |
11 | 25667198456 |
12 | 1074334a639 |
13 | 61a214803a |
14 | 32154b5873 |
15 | 1a5d782409 |
hex | f27179f0d |
65080368909 has 24 divisors (see below), whose sum is σ = 97116864000. Its totient is φ = 41952949920.
The previous prime is 65080368901. The next prime is 65080368923. The reversal of 65080368909 is 90986308056.
It is not a de Polignac number, because 65080368909 - 23 = 65080368901 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65080368901) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247992 + ... + 437790.
It is an arithmetic number, because the mean of its divisors is an integer number (4046536000).
Almost surely, 265080368909 is an apocalyptic number.
It is an amenable number.
65080368909 is a deficient number, since it is larger than the sum of its proper divisors (32036495091).
65080368909 is a wasteful number, since it uses less digits than its factorization.
65080368909 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 191065 (or 191062 counting only the distinct ones).
The product of its (nonzero) digits is 2799360, while the sum is 54.
The spelling of 65080368909 in words is "sixty-five billion, eighty million, three hundred sixty-eight thousand, nine hundred nine".
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