Base | Representation |
---|---|
bin | 1100111001011000110000… |
… | …10011101101001111100100 |
3 | 10201102012022112000101022101 |
4 | 12130230120103231033210 |
5 | 12204122414134442344 |
6 | 140152234531141444 |
7 | 5654643100000000 |
oct | 634543023551744 |
9 | 121365275011271 |
10 | 28360076874724 |
11 | 9044494060761 |
12 | 3220458444884 |
13 | 12a946136b67a |
14 | 7008c67c3700 |
15 | 342a9d8459d4 |
hex | 19cb184ed3e4 |
28360076874724 has 81 divisors (see below), whose sum is σ = 57954080104137. Its totient is φ = 12143358950352.
The previous prime is 28360076874659. The next prime is 28360076874751. The reversal of 28360076874724 is 42747867006382.
The square root of 28360076874724 is 5325418.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 458440034724 + 27901636840000 = 677082^2 + 5282200^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 25572656682 + ... + 25572657790.
Almost surely, 228360076874724 is an apocalyptic number.
28360076874724 is the 5325418-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28360076874724
28360076874724 is an abundant number, since it is smaller than the sum of its proper divisors (29594003229413).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28360076874724 is an frugal number, since it uses more digits than its factorization.
28360076874724 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2278 (or 1118 counting only the distinct ones).
The product of its (nonzero) digits is 151732224, while the sum is 64.
The spelling of 28360076874724 in words is "twenty-eight trillion, three hundred sixty billion, seventy-six million, eight hundred seventy-four thousand, seven hundred twenty-four".
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