Base | Representation |
---|---|
bin | 11010001001101100… |
… | …110100010000101111 |
3 | 2200110221112100201112 |
4 | 122021230310100233 |
5 | 430001441441032 |
6 | 20522204302235 |
7 | 2012564215625 |
oct | 321154642057 |
9 | 80427470645 |
10 | 28080030767 |
11 | 109aa4997a8 |
12 | 5537b4197b |
13 | 285668c129 |
14 | 1505463515 |
15 | ae52c41b2 |
hex | 689b3442f |
28080030767 has 8 divisors (see below), whose sum is σ = 29074820400. Its totient is φ = 27087008704.
The previous prime is 28080030757. The next prime is 28080030773. The reversal of 28080030767 is 76703008082.
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 28080030767 - 24 = 28080030751 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28080030757) by changing a digit.
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, 409517 + ... + 473142.
It is an arithmetic number, because the mean of its divisors is an integer number (3634352550).
Almost surely, 228080030767 is an apocalyptic number.
28080030767 is a deficient number, since it is larger than the sum of its proper divisors (994789633).
28080030767 is a wasteful number, since it uses less digits than its factorization.
28080030767 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 883785.
The product of its (nonzero) digits is 112896, while the sum is 41.
The spelling of 28080030767 in words is "twenty-eight billion, eighty million, thirty thousand, seven hundred sixty-seven".
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