Base | Representation |
---|---|
bin | 11010110010101001… |
… | …111100000010111010 |
3 | 2202020211110020020110 |
4 | 122302221330002322 |
5 | 432403342021244 |
6 | 21114311405150 |
7 | 2035606446606 |
oct | 326251740272 |
9 | 82224406213 |
10 | 28767142074 |
11 | 11222335690 |
12 | 56aa0837b6 |
13 | 2935b37b78 |
14 | 156c804506 |
15 | b3579c9b9 |
hex | 6b2a7c0ba |
28767142074 has 16 divisors (see below), whose sum is σ = 62764673760. Its totient is φ = 8717315760.
The previous prime is 28767142067. The next prime is 28767142087. The reversal of 28767142074 is 47024176782.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217932829 + ... + 217932960.
It is an arithmetic number, because the mean of its divisors is an integer number (3922792110).
Almost surely, 228767142074 is an apocalyptic number.
28767142074 is an abundant number, since it is smaller than the sum of its proper divisors (33997531686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28767142074 is a wasteful number, since it uses less digits than its factorization.
28767142074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 435865805.
The product of its (nonzero) digits is 1053696, while the sum is 48.
The spelling of 28767142074 in words is "twenty-eight billion, seven hundred sixty-seven million, one hundred forty-two thousand, seventy-four".
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