Base | Representation |
---|---|
bin | 11010110001000110… |
… | …010011111011010010 |
3 | 2202012000022101000120 |
4 | 122301012103323102 |
5 | 432330200303430 |
6 | 21111535531110 |
7 | 2035141454142 |
oct | 326106237322 |
9 | 82160271016 |
10 | 28741025490 |
11 | 11209617931 |
12 | 56a1389a96 |
13 | 29305c2678 |
14 | 1569166922 |
15 | b3333e610 |
hex | 6b1193ed2 |
28741025490 has 16 divisors (see below), whose sum is σ = 68978461248. Its totient is φ = 7664273456.
The previous prime is 28741025477. The next prime is 28741025491. The reversal of 28741025490 is 9452014782.
It is not an unprimeable number, because it can be changed into a prime (28741025491) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479017062 + ... + 479017121.
It is an arithmetic number, because the mean of its divisors is an integer number (4311153828).
Almost surely, 228741025490 is an apocalyptic number.
28741025490 is an abundant number, since it is smaller than the sum of its proper divisors (40237435758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28741025490 is a wasteful number, since it uses less digits than its factorization.
28741025490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 958034193.
The product of its (nonzero) digits is 161280, while the sum is 42.
The spelling of 28741025490 in words is "twenty-eight billion, seven hundred forty-one million, twenty-five thousand, four hundred ninety".
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