Base | Representation |
---|---|
bin | 11010001000101110… |
… | …010101100010100111 |
3 | 2200102210201020021210 |
4 | 122020232111202213 |
5 | 424433243331012 |
6 | 20520421242503 |
7 | 2012305051266 |
oct | 321056254247 |
9 | 80383636253 |
10 | 28063652007 |
11 | 109a1222136 |
12 | 5532563433 |
13 | 2853176061 |
14 | 15031dc5dd |
15 | ae3b3b23c |
hex | 688b958a7 |
28063652007 has 8 divisors (see below), whose sum is σ = 38625241600. Its totient is φ = 18105581880.
The previous prime is 28063651961. The next prime is 28063652011. The reversal of 28063652007 is 70025636082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28063652007 - 27 = 28063651879 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 (28063652017) 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, 150879757 + ... + 150879942.
It is an arithmetic number, because the mean of its divisors is an integer number (4828155200).
Almost surely, 228063652007 is an apocalyptic number.
28063652007 is a deficient number, since it is larger than the sum of its proper divisors (10561589593).
28063652007 is a wasteful number, since it uses less digits than its factorization.
28063652007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 301759733.
The product of its (nonzero) digits is 120960, while the sum is 39.
The spelling of 28063652007 in words is "twenty-eight billion, sixty-three million, six hundred fifty-two thousand, seven".
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