Base | Representation |
---|---|
bin | 11010011011011001… |
… | …100101011110011010 |
3 | 2201020122021220121100 |
4 | 122123121211132122 |
5 | 431104001314404 |
6 | 21011453052230 |
7 | 2023131226143 |
oct | 323331453632 |
9 | 81218256540 |
10 | 28376979354 |
11 | 11042079659 |
12 | 55bb487076 |
13 | 28a305c059 |
14 | 1532a80aca |
15 | b113cdd39 |
hex | 69b66579a |
28376979354 has 24 divisors (see below), whose sum is σ = 61506424980. Its totient is φ = 9455459328.
The previous prime is 28376979277. The next prime is 28376979359. The reversal of 28376979354 is 45397967382.
It can be written as a sum of positive squares in 2 ways, for example, as 24933989025 + 3442990329 = 157905^2 + 58677^2 .
It is a junction number, because it is equal to n+sod(n) for n = 28376979291 and 28376979300.
It is not an unprimeable number, because it can be changed into a prime (28376979359) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244737 + ... + 341540.
Almost surely, 228376979354 is an apocalyptic number.
28376979354 is an abundant number, since it is smaller than the sum of its proper divisors (33129445626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28376979354 is a wasteful number, since it uses less digits than its factorization.
28376979354 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 588974 (or 588971 counting only the distinct ones).
The product of its digits is 68584320, while the sum is 63.
The spelling of 28376979354 in words is "twenty-eight billion, three hundred seventy-six million, nine hundred seventy-nine thousand, three hundred fifty-four".
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