Base | Representation |
---|---|
bin | 11010011110011010… |
… | …111000100100111110 |
3 | 2201101011122022120102 |
4 | 122132122320210332 |
5 | 431204434321030 |
6 | 21020503121102 |
7 | 2024315023055 |
oct | 323632704476 |
9 | 81334568512 |
10 | 28427651390 |
11 | 11068739276 |
12 | 5614443192 |
13 | 28b06c12c8 |
14 | 15396b139c |
15 | b15a8cc45 |
hex | 69e6b893e |
28427651390 has 8 divisors (see below), whose sum is σ = 51169772520. Its totient is φ = 11371060552.
The previous prime is 28427651383. The next prime is 28427651407. The reversal of 28427651390 is 9315672482.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421382560 + ... + 1421382579.
It is an arithmetic number, because the mean of its divisors is an integer number (6396221565).
It is a 1-persistent number, because it is pandigital, but 2⋅28427651390 = 56855302780 is not.
Almost surely, 228427651390 is an apocalyptic number.
28427651390 is a deficient number, since it is larger than the sum of its proper divisors (22742121130).
28427651390 is a wasteful number, since it uses less digits than its factorization.
28427651390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2842765146.
The product of its (nonzero) digits is 725760, while the sum is 47.
The spelling of 28427651390 in words is "twenty-eight billion, four hundred twenty-seven million, six hundred fifty-one thousand, three hundred ninety".
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