Base | Representation |
---|---|
bin | 10000001001000011… |
… | …11011100011100001 |
3 | 211100221111021022001 |
4 | 20010201323203201 |
5 | 120221440010040 |
6 | 3551525044001 |
7 | 424515154534 |
oct | 100441734341 |
9 | 24327437261 |
10 | 8665938145 |
11 | 3747772657 |
12 | 181a256601 |
13 | a814b7767 |
14 | 5c2cd6a1b |
15 | 35abe059a |
hex | 20487b8e1 |
8665938145 has 16 divisors (see below), whose sum is σ = 10667599488. Its totient is φ = 6754239360.
The previous prime is 8665938109. The next prime is 8665938163. The reversal of 8665938145 is 5418395668.
It is not a de Polignac number, because 8665938145 - 213 = 8665929953 is a prime.
It is a Duffinian 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, 119962 + ... + 178108.
It is an arithmetic number, because the mean of its divisors is an integer number (666724968).
Almost surely, 28665938145 is an apocalyptic number.
It is an amenable number.
8665938145 is a deficient number, since it is larger than the sum of its proper divisors (2001661343).
8665938145 is a wasteful number, since it uses less digits than its factorization.
8665938145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58920.
The product of its digits is 6220800, while the sum is 55.
The square root of 8665938145 is about 93091.0207538837. The cubic root of 8665938145 is about 2054.0224921822.
The spelling of 8665938145 in words is "eight billion, six hundred sixty-five million, nine hundred thirty-eight thousand, one hundred forty-five".
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