Base | Representation |
---|---|
bin | 1101000111100101100111… |
… | …11111000000110100001000 |
3 | 10210010211210010002101202111 |
4 | 12203302303333000310020 |
5 | 12240121221110000013 |
6 | 141204333013512104 |
7 | 6035125554063166 |
oct | 643626377006410 |
9 | 123124703071674 |
10 | 28848020000008 |
11 | 9212416250790 |
12 | 329ab33642634 |
13 | 1313483630341 |
14 | 71a374622236 |
15 | 35060ac2173d |
hex | 1a3cb3fc0d08 |
28848020000008 has 64 divisors (see below), whose sum is σ = 59134428457920. Its totient is φ = 13084494931200.
The previous prime is 28848019999991. The next prime is 28848020000011. The reversal of 28848020000008 is 80000002084882.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420509166 + ... + 420577762.
It is an arithmetic number, because the mean of its divisors is an integer number (923975444655).
Almost surely, 228848020000008 is an apocalyptic number.
It is an amenable number.
28848020000008 is an abundant number, since it is smaller than the sum of its proper divisors (30286408457912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28848020000008 is a wasteful number, since it uses less digits than its factorization.
28848020000008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78838 (or 78834 counting only the distinct ones).
The product of its (nonzero) digits is 65536, while the sum is 40.
It can be divided in two parts, 2884802000000 and 8, that multiplied together give a square (23078416000000 = 48040002).
The spelling of 28848020000008 in words is "twenty-eight trillion, eight hundred forty-eight billion, twenty million, eight", and thus it is an aban number.
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