Base | Representation |
---|---|
bin | 11010100110110100… |
… | …000110100101111111 |
3 | 2201201222122011021120 |
4 | 122212310012211333 |
5 | 432002012331002 |
6 | 21042453402023 |
7 | 2030645034345 |
oct | 324664064577 |
9 | 81658564246 |
10 | 28568480127 |
11 | 11130186a60 |
12 | 5653639313 |
13 | 290392b915 |
14 | 155028d995 |
15 | b23109cbc |
hex | 6a6d0697f |
28568480127 has 32 divisors (see below), whose sum is σ = 44011828224. Its totient is φ = 16290816000.
The previous prime is 28568480107. The next prime is 28568480153. The reversal of 28568480127 is 72108486582.
It is not a de Polignac number, because 28568480127 - 28 = 28568479871 is a prime.
It is a super-2 number, since 2×285684801272 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a self number, because there is not a number n which added to its sum of digits gives 28568480127.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28568480107) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2688058 + ... + 2698664.
It is an arithmetic number, because the mean of its divisors is an integer number (1375369632).
Almost surely, 228568480127 is an apocalyptic number.
28568480127 is a deficient number, since it is larger than the sum of its proper divisors (15443348097).
28568480127 is a wasteful number, since it uses less digits than its factorization.
28568480127 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15439.
The product of its (nonzero) digits is 1720320, while the sum is 51.
The spelling of 28568480127 in words is "twenty-eight billion, five hundred sixty-eight million, four hundred eighty thousand, one hundred twenty-seven".
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