Base | Representation |
---|---|
bin | 1101001000000000001000… |
… | …00100001000010001110000 |
3 | 10210012012111201101001021220 |
4 | 12210000010010020101300 |
5 | 12240334341043423324 |
6 | 141215044530145040 |
7 | 6036141264465444 |
oct | 644000404102160 |
9 | 123165451331256 |
10 | 28862248420464 |
11 | 9218457883658 |
12 | 32a1844722180 |
13 | 1314910367544 |
14 | 71ad24198824 |
15 | 350b8ee24b79 |
hex | 1a4004108470 |
28862248420464 has 40 divisors (see below), whose sum is σ = 74564568795792. Its totient is φ = 9620264263680.
The previous prime is 28862248420459. The next prime is 28862248420471. The reversal of 28862248420464 is 46402484226882.
It is a super-3 number, since 3×288622484204643 (a number of 41 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 28862248420398 and 28862248420407.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14200519 + ... + 16105254.
Almost surely, 228862248420464 is an apocalyptic number.
28862248420464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
28862248420464 is an abundant number, since it is smaller than the sum of its proper divisors (45702320375328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28862248420464 is a wasteful number, since it uses less digits than its factorization.
28862248420464 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30325625 (or 30325619 counting only the distinct ones).
The product of its (nonzero) digits is 75497472, while the sum is 60.
The spelling of 28862248420464 in words is "twenty-eight trillion, eight hundred sixty-two billion, two hundred forty-eight million, four hundred twenty thousand, four hundred sixty-four".
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