Base | Representation |
---|---|
bin | 1110010100101110… |
… | …01001001101111010 |
3 | 201211221011002201210 |
4 | 13022113021031322 |
5 | 111222122010434 |
6 | 3311024023550 |
7 | 361365123231 |
oct | 71227111572 |
9 | 21757132653 |
10 | 7690031994 |
11 | 3296905947 |
12 | 15a7461bb6 |
13 | 9572651b8 |
14 | 52d45bb18 |
15 | 3001bcee9 |
hex | 1ca5c937a |
7690031994 has 32 divisors (see below), whose sum is σ = 16534010880. Its totient is φ = 2376760752.
The previous prime is 7690031981. The next prime is 7690032017. The reversal of 7690031994 is 4991300967.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712264 + ... + 722979.
It is an arithmetic number, because the mean of its divisors is an integer number (516687840).
Almost surely, 27690031994 is an apocalyptic number.
7690031994 is an abundant number, since it is smaller than the sum of its proper divisors (8843978886).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7690031994 is a wasteful number, since it uses less digits than its factorization.
7690031994 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1435314.
The product of its (nonzero) digits is 367416, while the sum is 48.
The square root of 7690031994 is about 87692.8274946133. The cubic root of 7690031994 is about 1973.8283490441.
The spelling of 7690031994 in words is "seven billion, six hundred ninety million, thirty-one thousand, nine hundred ninety-four".
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