Base | Representation |
---|---|
bin | 1001000000110110110… |
… | …00001110010001110000 |
3 | 1002121101022111122200111 |
4 | 10200123120032101300 |
5 | 20033224411330310 |
6 | 354134533031104 |
7 | 31242402616315 |
oct | 4403330162160 |
9 | 1077338448614 |
10 | 309696980080 |
11 | 10a383964a24 |
12 | 50030a85494 |
13 | 23286b01847 |
14 | 10dbcd46d0c |
15 | 80c8b6328a |
hex | 481b60e470 |
309696980080 has 40 divisors (see below), whose sum is σ = 737607571344. Its totient is φ = 120857356800.
The previous prime is 309696980041. The next prime is 309696980081. The reversal of 309696980080 is 80089696903.
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 309696979997 and 309696980024.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (309696980081) 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, 47206626 + ... + 47213185.
Almost surely, 2309696980080 is an apocalyptic number.
It is an amenable number.
309696980080 is an abundant number, since it is smaller than the sum of its proper divisors (427910591264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
309696980080 is a wasteful number, since it uses less digits than its factorization.
309696980080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94419865 (or 94419859 counting only the distinct ones).
The product of its (nonzero) digits is 5038848, while the sum is 58.
The spelling of 309696980080 in words is "three hundred nine billion, six hundred ninety-six million, nine hundred eighty thousand, eighty".
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