Base | Representation |
---|---|
bin | 11010111000001111… |
… | …111000001001101010 |
3 | 2202111101000100222220 |
4 | 122320033320021222 |
5 | 433101402124144 |
6 | 21131502454510 |
7 | 2041126141251 |
oct | 327017701152 |
9 | 82441010886 |
10 | 28860973674 |
11 | 112702a3765 |
12 | 5715594436 |
13 | 294c3cbb20 |
14 | 157b06b798 |
15 | b3db34919 |
hex | 6b83f826a |
28860973674 has 32 divisors (see below), whose sum is σ = 62265974400. Its totient is φ = 8865460032.
The previous prime is 28860973663. The next prime is 28860973679. The reversal of 28860973674 is 47637906882.
It is a super-2 number, since 2×288609736742 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28860973679) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262137 + ... + 355580.
It is an arithmetic number, because the mean of its divisors is an integer number (1945811700).
Almost surely, 228860973674 is an apocalyptic number.
28860973674 is an abundant number, since it is smaller than the sum of its proper divisors (33405000726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28860973674 is a wasteful number, since it uses less digits than its factorization.
28860973674 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 618334.
The product of its (nonzero) digits is 24385536, while the sum is 60.
The spelling of 28860973674 in words is "twenty-eight billion, eight hundred sixty million, nine hundred seventy-three thousand, six hundred seventy-four".
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