Base | Representation |
---|---|
bin | 11011000101101010… |
… | …011011111110110110 |
3 | 2210002001111220221101 |
4 | 123011222123332312 |
5 | 434032011234430 |
6 | 21210102440314 |
7 | 2046531155260 |
oct | 330552337666 |
9 | 83061456841 |
10 | 29086039990 |
11 | 11376347387 |
12 | 5778a3309a |
13 | 2986c21567 |
14 | 159ccd6b30 |
15 | b53790dca |
hex | 6c5a9bfb6 |
29086039990 has 64 divisors (see below), whose sum is σ = 63159782400. Its totient is φ = 9421024896.
The previous prime is 29086039987. The next prime is 29086039991. The reversal of 29086039990 is 9993068092.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29086039991) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 447012 + ... + 507928.
It is an arithmetic number, because the mean of its divisors is an integer number (986871600).
Almost surely, 229086039990 is an apocalyptic number.
29086039990 is an abundant number, since it is smaller than the sum of its proper divisors (34073742410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29086039990 is a wasteful number, since it uses less digits than its factorization.
29086039990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61309.
The product of its (nonzero) digits is 1889568, while the sum is 55.
The spelling of 29086039990 in words is "twenty-nine billion, eighty-six million, thirty-nine thousand, nine hundred ninety".
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