Base | Representation |
---|---|
bin | 11010110010001110… |
… | …111100110110010010 |
3 | 2202020100010210201020 |
4 | 122302032330312102 |
5 | 432400034124344 |
6 | 21113500020310 |
7 | 2035462353135 |
oct | 326216746622 |
9 | 82210123636 |
10 | 28760067474 |
11 | 11219343406 |
12 | 56a7831696 |
13 | 293452ba08 |
14 | 156b8c221c |
15 | b34d51719 |
hex | 6b23bcd92 |
28760067474 has 32 divisors (see below), whose sum is σ = 57668143104. Its totient is φ = 9562050960.
The previous prime is 28760067461. The next prime is 28760067493. The reversal of 28760067474 is 47476006782.
It is a happy number.
It is a super-2 number, since 2×287600674742 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5420707 + ... + 5426009.
It is an arithmetic number, because the mean of its divisors is an integer number (1802129472).
Almost surely, 228760067474 is an apocalyptic number.
28760067474 is an abundant number, since it is smaller than the sum of its proper divisors (28908075630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28760067474 is a wasteful number, since it uses less digits than its factorization.
28760067474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7462.
The product of its (nonzero) digits is 3161088, while the sum is 51.
The spelling of 28760067474 in words is "twenty-eight billion, seven hundred sixty million, sixty-seven thousand, four hundred seventy-four".
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