Base | Representation |
---|---|
bin | 100001110000000110… |
… | …1001011011100001111 |
3 | 20221002022211201021011 |
4 | 1003200031023130033 |
5 | 2141420120342410 |
6 | 53144115550051 |
7 | 5144101400005 |
oct | 1034015133417 |
9 | 227068751234 |
10 | 72481027855 |
11 | 28814718015 |
12 | 120698bb327 |
13 | 6ab1463482 |
14 | 3718328a75 |
15 | 1d4334018a |
hex | 10e034b70f |
72481027855 has 8 divisors (see below), whose sum is σ = 86985957600. Its totient is φ = 57979006176.
The previous prime is 72481027813. The next prime is 72481027891. The reversal of 72481027855 is 55872018427.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 72481027855 - 211 = 72481025807 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 72481027799 and 72481027808.
It is a congruent number.
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, 671800 + ... + 772189.
It is an arithmetic number, because the mean of its divisors is an integer number (10873244700).
Almost surely, 272481027855 is an apocalyptic number.
72481027855 is a deficient number, since it is larger than the sum of its proper divisors (14504929745).
72481027855 is a wasteful number, since it uses less digits than its factorization.
72481027855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1454033.
The product of its (nonzero) digits is 1254400, while the sum is 49.
The spelling of 72481027855 in words is "seventy-two billion, four hundred eighty-one million, twenty-seven thousand, eight hundred fifty-five".
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