Base | Representation |
---|---|
bin | 100001111010101… |
… | …1110100001110001 |
3 | 2221022112001220221 |
4 | 1003311132201301 |
5 | 4312322422040 |
6 | 304533133041 |
7 | 40126423621 |
oct | 10365364161 |
9 | 2838461827 |
10 | 1138092145 |
11 | 534472523 |
12 | 27918a181 |
13 | 151a2a008 |
14 | ab216881 |
15 | 69dac74a |
hex | 43d5e871 |
1138092145 has 8 divisors (see below), whose sum is σ = 1399020840. Its totient is φ = 888266880.
The previous prime is 1138092133. The next prime is 1138092167. The reversal of 1138092145 is 5412908311.
It can be written as a sum of positive squares in 4 ways, for example, as 86192656 + 1051899489 = 9284^2 + 32433^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1138092145 - 25 = 1138092113 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1138092145.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2775630 + ... + 2776039.
It is an arithmetic number, because the mean of its divisors is an integer number (174877605).
Almost surely, 21138092145 is an apocalyptic number.
It is an amenable number.
1138092145 is a deficient number, since it is larger than the sum of its proper divisors (260928695).
1138092145 is an equidigital number, since it uses as much as digits as its factorization.
1138092145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5551715.
The product of its (nonzero) digits is 8640, while the sum is 34.
The square root of 1138092145 is about 33735.6213074548. The cubic root of 1138092145 is about 1044.0608443691.
The spelling of 1138092145 in words is "one billion, one hundred thirty-eight million, ninety-two thousand, one hundred forty-five".
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