Base | Representation |
---|---|
bin | 100010010110110… |
… | …0110010011110001 |
3 | 2222100012111220110 |
4 | 1010231212103301 |
5 | 4330104212311 |
6 | 310220331533 |
7 | 40365446562 |
oct | 10455462361 |
9 | 2870174813 |
10 | 1152804081 |
11 | 541800850 |
12 | 2820a3ba9 |
13 | 154aab4c0 |
14 | ad166169 |
15 | 6b3168a6 |
hex | 44b664f1 |
1152804081 has 64 divisors (see below), whose sum is σ = 1912135680. Its totient is φ = 607357440.
The previous prime is 1152804053. The next prime is 1152804131. The reversal of 1152804081 is 1804082511.
It is a happy number.
It is not a de Polignac number, because 1152804081 - 217 = 1152673009 is a prime.
It is a super-2 number, since 2×11528040812 = 2657914498340509122, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1152804041) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1898880 + ... + 1899486.
It is an arithmetic number, because the mean of its divisors is an integer number (29877120).
Almost surely, 21152804081 is an apocalyptic number.
1152804081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1152804081 is a deficient number, since it is larger than the sum of its proper divisors (759331599).
1152804081 is a wasteful number, since it uses less digits than its factorization.
1152804081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 886.
The product of its (nonzero) digits is 2560, while the sum is 30.
The square root of 1152804081 is about 33952.9686625485. The cubic root of 1152804081 is about 1048.5404000753.
Adding to 1152804081 its reverse (1804082511), we get a palindrome (2956886592).
The spelling of 1152804081 in words is "one billion, one hundred fifty-two million, eight hundred four thousand, eighty-one".
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