Base | Representation |
---|---|
bin | 100111010000001… |
… | …0010001110001001 |
3 | 10101210022220110021 |
4 | 1032200102032021 |
5 | 10144133223324 |
6 | 334405420441 |
7 | 44432022064 |
oct | 11640221611 |
9 | 3353286407 |
10 | 1317086089 |
11 | 616508300 |
12 | 30910a721 |
13 | 17cb3aca7 |
14 | c6ccb8db |
15 | 7a967ae4 |
hex | 4e812389 |
1317086089 has 12 divisors (see below), whose sum is σ = 1448681220. Its totient is φ = 1196544800.
The previous prime is 1317086083. The next prime is 1317086107. The reversal of 1317086089 is 9806807131.
It can be written as a sum of positive squares in 2 ways, for example, as 577681225 + 739404864 = 24035^2 + 27192^2 .
It is not a de Polignac number, because 1317086089 - 221 = 1314988937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1317086083) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247719 + ... + 252979.
It is an arithmetic number, because the mean of its divisors is an integer number (120723435).
Almost surely, 21317086089 is an apocalyptic number.
It is an amenable number.
1317086089 is a deficient number, since it is larger than the sum of its proper divisors (131595131).
1317086089 is a wasteful number, since it uses less digits than its factorization.
1317086089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7352 (or 7341 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 43.
The square root of 1317086089 is about 36291.6807133536. The cubic root of 1317086089 is about 1096.1535320573.
The spelling of 1317086089 in words is "one billion, three hundred seventeen million, eighty-six thousand, eighty-nine".
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