Base | Representation |
---|---|
bin | 100101100110010000… |
… | …1101111001011110100 |
3 | 21201101222001222201112 |
4 | 1023030201233023310 |
5 | 2310324121314122 |
6 | 101031455414152 |
7 | 5555555352656 |
oct | 1131441571364 |
9 | 251358058645 |
10 | 80740807412 |
11 | 31273098711 |
12 | 13793b24358 |
13 | 77c97613b5 |
14 | 3c9d2d66d6 |
15 | 21785522e2 |
hex | 12cc86f2f4 |
80740807412 has 12 divisors (see below), whose sum is σ = 141480158820. Its totient is φ = 40317904896.
The previous prime is 80740807409. The next prime is 80740807453. The reversal of 80740807412 is 21470804708.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 29933844196 + 50806963216 = 173014^2 + 225404^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 80740807412.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13121243 + ... + 13127394.
It is an arithmetic number, because the mean of its divisors is an integer number (11790013235).
Almost surely, 280740807412 is an apocalyptic number.
It is an amenable number.
80740807412 is a deficient number, since it is larger than the sum of its proper divisors (60739351408).
80740807412 is a wasteful number, since it uses less digits than its factorization.
80740807412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26249410 (or 26249408 counting only the distinct ones).
The product of its (nonzero) digits is 100352, while the sum is 41.
The spelling of 80740807412 in words is "eighty billion, seven hundred forty million, eight hundred seven thousand, four hundred twelve".
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