Base | Representation |
---|---|
bin | 1101000111000101100100… |
… | …11000111101011011010000 |
3 | 10210002012100221210110002101 |
4 | 12203202302120331123100 |
5 | 12234331001211101011 |
6 | 141152405352130144 |
7 | 6033646301155201 |
oct | 643426230753320 |
9 | 123065327713071 |
10 | 28830813378256 |
11 | 920609659712a |
12 | 3297731096954 |
13 | 13119708a4956 |
14 | 7195c13195a8 |
15 | 34ee503332c1 |
hex | 1a38b263d6d0 |
28830813378256 has 20 divisors (see below), whose sum is σ = 55860002445312. Its totient is φ = 14415328876256.
The previous prime is 28830813378251. The next prime is 28830813378293. The reversal of 28830813378256 is 65287331803882.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28830813378251) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1746010 + ... + 7791673.
Almost surely, 228830813378256 is an apocalyptic number.
It is an amenable number.
28830813378256 is a deficient number, since it is larger than the sum of its proper divisors (27029189067056).
28830813378256 is a wasteful number, since it uses less digits than its factorization.
28830813378256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9726618 (or 9726612 counting only the distinct ones).
The product of its (nonzero) digits is 92897280, while the sum is 64.
The spelling of 28830813378256 in words is "twenty-eight trillion, eight hundred thirty billion, eight hundred thirteen million, three hundred seventy-eight thousand, two hundred fifty-six".
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