Base | Representation |
---|---|
bin | 11010101001011111… |
… | …100100010110010011 |
3 | 2201212010012210000211 |
4 | 122221133210112103 |
5 | 432100014204002 |
6 | 21051141024551 |
7 | 2032032062500 |
oct | 325137442623 |
9 | 81763183024 |
10 | 28613428627 |
11 | 11153597483 |
12 | 56666b5157 |
13 | 2910038974 |
14 | 15562304a7 |
15 | b27037dd7 |
hex | 6a97e4593 |
28613428627 has 24 divisors (see below), whose sum is σ = 33808948992. Its totient is φ = 24140869200.
The previous prime is 28613428619. The next prime is 28613428663. The reversal of 28613428627 is 72682431682.
It is not a de Polignac number, because 28613428627 - 23 = 28613428619 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is not an unprimeable number, because it can be changed into a prime (28613488627) 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 23 ways as a sum of consecutive naturals, for example, 2230602 + ... + 2243392.
It is an arithmetic number, because the mean of its divisors is an integer number (1408706208).
Almost surely, 228613428627 is an apocalyptic number.
28613428627 is a deficient number, since it is larger than the sum of its proper divisors (5195520365).
28613428627 is a wasteful number, since it uses less digits than its factorization.
28613428627 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13519 (or 13512 counting only the distinct ones).
The product of its digits is 1548288, while the sum is 49.
The spelling of 28613428627 in words is "twenty-eight billion, six hundred thirteen million, four hundred twenty-eight thousand, six hundred twenty-seven".
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