Base | Representation |
---|---|
bin | 11010110000011101… |
… | …101010110110001100 |
3 | 2202011021021002110011 |
4 | 122300131222312030 |
5 | 432314433341333 |
6 | 21110515323004 |
7 | 2034652061641 |
oct | 326035526614 |
9 | 82137232404 |
10 | 28730371468 |
11 | 11203600357 |
12 | 56998b0464 |
13 | 292b332206 |
14 | 1567991dc8 |
15 | b324379cd |
hex | 6b076ad8c |
28730371468 has 6 divisors (see below), whose sum is σ = 50278150076. Its totient is φ = 14365185732.
The previous prime is 28730371429. The next prime is 28730371469. The reversal of 28730371468 is 86417303782.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (28730371469) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3591296430 + ... + 3591296437.
Almost surely, 228730371468 is an apocalyptic number.
It is an amenable number.
28730371468 is a deficient number, since it is larger than the sum of its proper divisors (21547778608).
28730371468 is a wasteful number, since it uses less digits than its factorization.
28730371468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7182592871 (or 7182592869 counting only the distinct ones).
The product of its (nonzero) digits is 1354752, while the sum is 49.
It can be divided in two parts, 287303714 and 68, that added together give a palindrome (287303782).
The spelling of 28730371468 in words is "twenty-eight billion, seven hundred thirty million, three hundred seventy-one thousand, four hundred sixty-eight".
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