Base | Representation |
---|---|
bin | 100101100011010001… |
… | …1011110100011001100 |
3 | 21201010222111221100211 |
4 | 1023012203132203030 |
5 | 2310122443202033 |
6 | 101013515532204 |
7 | 5553230535604 |
oct | 1130643364314 |
9 | 251128457324 |
10 | 80640600268 |
11 | 31221575598 |
12 | 1376645a064 |
13 | 77b1a77527 |
14 | 3c8dc8dc04 |
15 | 216e85b2cd |
hex | 12c68de8cc |
80640600268 has 24 divisors (see below), whose sum is σ = 142931476800. Its totient is φ = 39803207808.
The previous prime is 80640600203. The next prime is 80640600319. The reversal of 80640600268 is 86200604608.
It is a self number, because there is not a number n which added to its sum of digits gives 80640600268.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2228496 + ... + 2264392.
It is an arithmetic number, because the mean of its divisors is an integer number (5955478200).
Almost surely, 280640600268 is an apocalyptic number.
It is an amenable number.
80640600268 is a deficient number, since it is larger than the sum of its proper divisors (62290876532).
80640600268 is a wasteful number, since it uses less digits than its factorization.
80640600268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43089 (or 43087 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 40.
The spelling of 80640600268 in words is "eighty billion, six hundred forty million, six hundred thousand, two hundred sixty-eight".
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