Base | Representation |
---|---|
bin | 11010110000000111… |
… | …001100101010111111 |
3 | 2202010212011210211200 |
4 | 122300013030222333 |
5 | 432311431340303 |
6 | 21110145150543 |
7 | 2034551025462 |
oct | 326007145277 |
9 | 82125153750 |
10 | 28724480703 |
11 | 11200247556 |
12 | 569792b453 |
13 | 292a04bb59 |
14 | 1566c9b2d9 |
15 | b31b723a3 |
hex | 6b01ccabf |
28724480703 has 12 divisors (see below), whose sum is σ = 41521419888. Its totient is φ = 19135575360.
The previous prime is 28724480693. The next prime is 28724480711. The reversal of 28724480703 is 30708442782.
28724480703 is a `hidden beast` number, since 2 + 87 + 24 + 480 + 70 + 3 = 666.
It is not a de Polignac number, because 28724480703 - 25 = 28724480671 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28724481703) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1160275 + ... + 1184772.
It is an arithmetic number, because the mean of its divisors is an integer number (3460118324).
Almost surely, 228724480703 is an apocalyptic number.
28724480703 is a deficient number, since it is larger than the sum of its proper divisors (12796939185).
28724480703 is a wasteful number, since it uses less digits than its factorization.
28724480703 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2346414 (or 2346411 counting only the distinct ones).
The product of its (nonzero) digits is 602112, while the sum is 45.
The spelling of 28724480703 in words is "twenty-eight billion, seven hundred twenty-four million, four hundred eighty thousand, seven hundred three".
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