Base | Representation |
---|---|
bin | 1111111010001001… |
… | …00010000000001101 |
3 | 211001020000010102002 |
4 | 13331010202000031 |
5 | 114442420301142 |
6 | 3531254442045 |
7 | 421435344500 |
oct | 77504420015 |
9 | 24036003362 |
10 | 8540790797 |
11 | 36930655a0 |
12 | 17a4363325 |
13 | a615aa986 |
14 | 5b043b137 |
15 | 34ec1ea32 |
hex | 1fd12200d |
8540790797 has 24 divisors (see below), whose sum is σ = 10943704512. Its totient is φ = 6590505600.
The previous prime is 8540790787. The next prime is 8540790829. The reversal of 8540790797 is 7970970458.
It is not a de Polignac number, because 8540790797 - 216 = 8540725261 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8540790787) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21404 + ... + 132437.
It is an arithmetic number, because the mean of its divisors is an integer number (455987688).
Almost surely, 28540790797 is an apocalyptic number.
It is an amenable number.
8540790797 is a deficient number, since it is larger than the sum of its proper divisors (2402913715).
8540790797 is a wasteful number, since it uses less digits than its factorization.
8540790797 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153969 (or 153962 counting only the distinct ones).
The product of its (nonzero) digits is 4445280, while the sum is 56.
The square root of 8540790797 is about 92416.3989614397. The cubic root of 8540790797 is about 2044.0869302179.
The spelling of 8540790797 in words is "eight billion, five hundred forty million, seven hundred ninety thousand, seven hundred ninety-seven".
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