Base | Representation |
---|---|
bin | 1000001001101001001… |
… | …01001001100101010111 |
3 | 222202212111221110210111 |
4 | 10010310211021211113 |
5 | 14042023041344210 |
6 | 332353331103451 |
7 | 26143011314155 |
oct | 4046445114527 |
9 | 882774843714 |
10 | 280055028055 |
11 | a8852842710 |
12 | 46339a41b87 |
13 | 2054197cb6a |
14 | d7aa2a23d5 |
15 | 74416b288a |
hex | 4134949957 |
280055028055 has 8 divisors (see below), whose sum is σ = 366617491344. Its totient is φ = 203676384000.
The previous prime is 280055028017. The next prime is 280055028091. The reversal of 280055028055 is 550820550082.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 280055028055 - 213 = 280055019863 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 280055027999 and 280055028017.
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, 2545954746 + ... + 2545954855.
It is an arithmetic number, because the mean of its divisors is an integer number (45827186418).
Almost surely, 2280055028055 is an apocalyptic number.
280055028055 is a deficient number, since it is larger than the sum of its proper divisors (86562463289).
280055028055 is a wasteful number, since it uses less digits than its factorization.
280055028055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5091909617.
The product of its (nonzero) digits is 160000, while the sum is 40.
The spelling of 280055028055 in words is "two hundred eighty billion, fifty-five million, twenty-eight thousand, fifty-five".
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