Base | Representation |
---|---|
bin | 100101101010010010… |
… | …1000010001100110011 |
3 | 21201202101020212110022 |
4 | 1023110211002030303 |
5 | 2311113211430314 |
6 | 101053122554055 |
7 | 5562115501121 |
oct | 1132445021463 |
9 | 251671225408 |
10 | 80875889459 |
11 | 31332370872 |
12 | 1381120892b |
13 | 781b7390c1 |
14 | 3cb321a911 |
15 | 218533678e |
hex | 12d4942333 |
80875889459 has 4 divisors (see below), whose sum is σ = 85132515240. Its totient is φ = 76619263680.
The previous prime is 80875889443. The next prime is 80875889503. The reversal of 80875889459 is 95498857808.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80875889459 - 24 = 80875889443 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80875889392 and 80875889401.
It is not an unprimeable number, because it can be changed into a prime (80875889659) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2128312862 + ... + 2128312899.
It is an arithmetic number, because the mean of its divisors is an integer number (21283128810).
Almost surely, 280875889459 is an apocalyptic number.
80875889459 is a deficient number, since it is larger than the sum of its proper divisors (4256625781).
80875889459 is a wasteful number, since it uses less digits than its factorization.
80875889459 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4256625780.
The product of its (nonzero) digits is 232243200, while the sum is 71.
The spelling of 80875889459 in words is "eighty billion, eight hundred seventy-five million, eight hundred eighty-nine thousand, four hundred fifty-nine".
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