Base | Representation |
---|---|
bin | 101111101111100… |
… | …110101010000111 |
3 | 2001211020102202201 |
4 | 233233212222013 |
5 | 3120024231023 |
6 | 211252215331 |
7 | 25564313026 |
oct | 5757465207 |
9 | 2054212681 |
10 | 801008263 |
11 | 38116a400 |
12 | 1a430a547 |
13 | c9c46ab3 |
14 | 7854c8bd |
15 | 4a4c5bad |
hex | 2fbe6a87 |
801008263 has 24 divisors (see below), whose sum is σ = 914316480. Its totient is φ = 700708800.
The previous prime is 801008231. The next prime is 801008269. The reversal of 801008263 is 362800108.
It is not a de Polignac number, because 801008263 - 25 = 801008231 is a prime.
It is a super-2 number, since 2×8010082632 = 1283228474788554338, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (801008269) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 345753 + ... + 348061.
It is an arithmetic number, because the mean of its divisors is an integer number (38096520).
Almost surely, 2801008263 is an apocalyptic number.
801008263 is a deficient number, since it is larger than the sum of its proper divisors (113308217).
801008263 is a wasteful number, since it uses less digits than its factorization.
801008263 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2439 (or 2428 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 801008263 is about 28302.0893751680. The cubic root of 801008263 is about 928.7075981866.
The spelling of 801008263 in words is "eight hundred one million, eight thousand, two hundred sixty-three".
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