Base | Representation |
---|---|
bin | 100010010001111… |
… | …0001111001000001 |
3 | 2222011100202001010 |
4 | 1010203301321001 |
5 | 4323424330311 |
6 | 310045231133 |
7 | 40334536320 |
oct | 10443617101 |
9 | 2864322033 |
10 | 1150230081 |
11 | 540302980 |
12 | 2812624a9 |
13 | 1543b9a20 |
14 | aca960b7 |
15 | 6aea8da6 |
hex | 448f1e41 |
1150230081 has 64 divisors (see below), whose sum is σ = 2180376576. Its totient is φ = 519091200.
The previous prime is 1150230073. The next prime is 1150230101. The reversal of 1150230081 is 1800320511.
It is not a de Polignac number, because 1150230081 - 23 = 1150230073 is a prime.
It is a super-2 number, since 2×11502300812 = 2646058478474533122, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (1150230181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39786 + ... + 62316.
It is an arithmetic number, because the mean of its divisors is an integer number (34068384).
Almost surely, 21150230081 is an apocalyptic number.
1150230081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1150230081 is a deficient number, since it is larger than the sum of its proper divisors (1030146495).
1150230081 is a wasteful number, since it uses less digits than its factorization.
1150230081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22582.
The product of its (nonzero) digits is 240, while the sum is 21.
The square root of 1150230081 is about 33915.0421052370. The cubic root of 1150230081 is about 1047.7594190806.
Adding to 1150230081 its reverse (1800320511), we get a palindrome (2950550592).
The spelling of 1150230081 in words is "one billion, one hundred fifty million, two hundred thirty thousand, eighty-one".
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