Base | Representation |
---|---|
bin | 11010001000101011… |
… | …000111010011001101 |
3 | 2200102202010022111022 |
4 | 122020223013103031 |
5 | 424433034312440 |
6 | 20520351203525 |
7 | 2012264632364 |
oct | 321053072315 |
9 | 80382108438 |
10 | 28062807245 |
11 | 109a07a5490 |
12 | 55322165a5 |
13 | 2852c3b6b5 |
14 | 150305c7db |
15 | ae3a20cb5 |
hex | 688ac74cd |
28062807245 has 32 divisors (see below), whose sum is σ = 38787586560. Its totient is φ = 19276488000.
The previous prime is 28062807221. The next prime is 28062807247. The reversal of 28062807245 is 54270826082.
It is not a de Polignac number, because 28062807245 - 224 = 28046030029 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 28062807196 and 28062807205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28062807247) 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 31 ways as a sum of consecutive naturals, for example, 305330 + ... + 386460.
It is an arithmetic number, because the mean of its divisors is an integer number (1212112080).
Almost surely, 228062807245 is an apocalyptic number.
It is an amenable number.
28062807245 is a deficient number, since it is larger than the sum of its proper divisors (10724779315).
28062807245 is a wasteful number, since it uses less digits than its factorization.
28062807245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81497.
The product of its (nonzero) digits is 430080, while the sum is 44.
The spelling of 28062807245 in words is "twenty-eight billion, sixty-two million, eight hundred seven thousand, two hundred forty-five".
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