Base | Representation |
---|---|
bin | 100101100111101011… |
… | …1010001101110011100 |
3 | 21201112021121210022020 |
4 | 1023033113101232130 |
5 | 2310423312200311 |
6 | 101040315420140 |
7 | 5560004021001 |
oct | 1131727215634 |
9 | 251467553266 |
10 | 80788396956 |
11 | 31297a42413 |
12 | 137a7a54650 |
13 | 78065845a7 |
14 | 3ca57638a8 |
15 | 217c802c06 |
hex | 12cf5d1b9c |
80788396956 has 48 divisors (see below), whose sum is σ = 194574105600. Its totient is φ = 26069947200.
The previous prime is 80788396907. The next prime is 80788396963. The reversal of 80788396956 is 65969388708.
It is a congruent number.
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, 368820 + ... + 545531.
It is an arithmetic number, because the mean of its divisors is an integer number (4053627200).
Almost surely, 280788396956 is an apocalyptic number.
It is an amenable number.
80788396956 is an abundant number, since it is smaller than the sum of its proper divisors (113785708644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80788396956 is a wasteful number, since it uses less digits than its factorization.
80788396956 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 914594 (or 914592 counting only the distinct ones).
The product of its (nonzero) digits is 156764160, while the sum is 69.
The spelling of 80788396956 in words is "eighty billion, seven hundred eighty-eight million, three hundred ninety-six thousand, nine hundred fifty-six".
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