Base | Representation |
---|---|
bin | 110101000001000001100… |
… | …1010111101010000110000 |
3 | 221210120122021211000201110 |
4 | 1222002003022331100300 |
5 | 1423340140044043210 |
6 | 23255204513233320 |
7 | 1351300254321501 |
oct | 152020312752060 |
9 | 27716567730643 |
10 | 7286465221680 |
11 | 235a199729337 |
12 | 9981ba562840 |
13 | 40b159344568 |
14 | 1b29499a2ba8 |
15 | c980ea23420 |
hex | 6a0832bd430 |
7286465221680 has 40 divisors (see below), whose sum is σ = 22588042187952. Its totient is φ = 1943057392384.
The previous prime is 7286465221627. The next prime is 7286465221751. The reversal of 7286465221680 is 861225646827.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 7286465221680.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15180135639 + ... + 15180136118.
Almost surely, 27286465221680 is an apocalyptic number.
It is an amenable number.
7286465221680 is an abundant number, since it is smaller than the sum of its proper divisors (15301576966272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7286465221680 is a wasteful number, since it uses less digits than its factorization.
7286465221680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30360271773 (or 30360271767 counting only the distinct ones).
The product of its (nonzero) digits is 15482880, while the sum is 57.
The spelling of 7286465221680 in words is "seven trillion, two hundred eighty-six billion, four hundred sixty-five million, two hundred twenty-one thousand, six hundred eighty".
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