Base | Representation |
---|---|
bin | 111010101111111011… |
… | …110101010101110011 |
3 | 20000211020111000022101 |
4 | 322233323311111303 |
5 | 2013142244134143 |
6 | 44551253521231 |
7 | 4362132456322 |
oct | 725773652563 |
9 | 200736430271 |
10 | 63081239923 |
11 | 24830796239 |
12 | 10285943217 |
13 | 5c43c17290 |
14 | 30a5ba60b9 |
15 | 1992ee2b4d |
hex | eafef5573 |
63081239923 has 8 divisors (see below), whose sum is σ = 67936612688. Its totient is φ = 58226291424.
The previous prime is 63081239911. The next prime is 63081239933. The reversal of 63081239923 is 32993218036.
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 63081239923 - 221 = 63079142771 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (63081239933) 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, 246061 + ... + 432097.
It is an arithmetic number, because the mean of its divisors is an integer number (8492076586).
Almost surely, 263081239923 is an apocalyptic number.
63081239923 is a deficient number, since it is larger than the sum of its proper divisors (4855372765).
63081239923 is a wasteful number, since it uses less digits than its factorization.
63081239923 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212133.
The product of its (nonzero) digits is 419904, while the sum is 46.
The spelling of 63081239923 in words is "sixty-three billion, eighty-one million, two hundred thirty-nine thousand, nine hundred twenty-three".
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