Base | Representation |
---|---|
bin | 11010011001001000… |
… | …001110000101100010 |
3 | 2201010222120220001211 |
4 | 122121020032011202 |
5 | 431014222411144 |
6 | 21004012220334 |
7 | 2022156305020 |
oct | 323110160542 |
9 | 81128526054 |
10 | 28338872674 |
11 | 11022611532 |
12 | 55aa76a6aa |
13 | 28981a9218 |
14 | 152b9a1710 |
15 | b0cda3034 |
hex | 69920e162 |
28338872674 has 16 divisors (see below), whose sum is σ = 50256129600. Its totient is φ = 11726429904.
The previous prime is 28338872669. The next prime is 28338872707. The reversal of 28338872674 is 47627883382.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (58).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34899684 + ... + 34900495.
It is an arithmetic number, because the mean of its divisors is an integer number (3141008100).
Almost surely, 228338872674 is an apocalyptic number.
28338872674 is a deficient number, since it is larger than the sum of its proper divisors (21917256926).
28338872674 is a wasteful number, since it uses less digits than its factorization.
28338872674 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69800217.
The product of its digits is 21676032, while the sum is 58.
The spelling of 28338872674 in words is "twenty-eight billion, three hundred thirty-eight million, eight hundred seventy-two thousand, six hundred seventy-four".
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