Base | Representation |
---|---|
bin | 100110111111101… |
… | …1000100000100001 |
3 | 10101012002201011211 |
4 | 1031333120200201 |
5 | 10134431223324 |
6 | 333500510121 |
7 | 44265510235 |
oct | 11577304041 |
9 | 3335081154 |
10 | 1308461089 |
11 | 611657201 |
12 | 30624b341 |
13 | 17b10b240 |
14 | c5ac45c5 |
15 | 79d12294 |
hex | 4dfd8821 |
1308461089 has 4 divisors (see below), whose sum is σ = 1409111956. Its totient is φ = 1207810224.
The previous prime is 1308461039. The next prime is 1308461093. The reversal of 1308461089 is 9801648031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9801648031 = 7 ⋅1400235433.
It can be written as a sum of positive squares in 2 ways, for example, as 82901025 + 1225560064 = 9105^2 + 35008^2 .
It is a cyclic number.
It is not a de Polignac number, because 1308461089 - 211 = 1308459041 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1308461009) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50325414 + ... + 50325439.
It is an arithmetic number, because the mean of its divisors is an integer number (352277989).
Almost surely, 21308461089 is an apocalyptic number.
It is an amenable number.
1308461089 is a deficient number, since it is larger than the sum of its proper divisors (100650867).
1308461089 is a wasteful number, since it uses less digits than its factorization.
1308461089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100650866.
The product of its (nonzero) digits is 41472, while the sum is 40.
The square root of 1308461089 is about 36172.6566483580. The cubic root of 1308461089 is about 1093.7555523898.
The spelling of 1308461089 in words is "one billion, three hundred eight million, four hundred sixty-one thousand, eighty-nine".
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