Base | Representation |
---|---|
bin | 1101000111000001101011… |
… | …11010001001010110100100 |
3 | 10210001222222102000001222122 |
4 | 12203200311322021112210 |
5 | 12234312212040111420 |
6 | 141151422225245112 |
7 | 6033543451464536 |
oct | 643406572112644 |
9 | 123058872001878 |
10 | 28828724925860 |
11 | 9205214725a12 |
12 | 3297249793798 |
13 | 13116c9ccabc2 |
14 | 719463bd7856 |
15 | 34ed7bcec725 |
hex | 1a3835e895a4 |
28828724925860 has 48 divisors (see below), whose sum is σ = 64101986758656. Its totient is φ = 10853087626752.
The previous prime is 28828724925821. The next prime is 28828724925971. The reversal of 28828724925860 is 6852942782882.
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, 68921309 + ... + 69338331.
It is an arithmetic number, because the mean of its divisors is an integer number (1335458057472).
Almost surely, 228828724925860 is an apocalyptic number.
28828724925860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28828724925860 is an abundant number, since it is smaller than the sum of its proper divisors (35273261832796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28828724925860 is a wasteful number, since it uses less digits than its factorization.
28828724925860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 620372 (or 620370 counting only the distinct ones).
The product of its (nonzero) digits is 495452160, while the sum is 71.
The spelling of 28828724925860 in words is "twenty-eight trillion, eight hundred twenty-eight billion, seven hundred twenty-four million, nine hundred twenty-five thousand, eight hundred sixty".
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