Base | Representation |
---|---|
bin | 100000001100000… |
… | …0110100010110001 |
3 | 2210021022201220020 |
4 | 1000120012202301 |
5 | 4202443410311 |
6 | 255101234053 |
7 | 35523234132 |
oct | 10030064261 |
9 | 2707281806 |
10 | 1080060081 |
11 | 504736141 |
12 | 261862929 |
13 | 1429bba09 |
14 | a362bc89 |
15 | 64c47c06 |
hex | 406068b1 |
1080060081 has 16 divisors (see below), whose sum is σ = 1483087104. Its totient is φ = 698644224.
The previous prime is 1080060053. The next prime is 1080060097. The reversal of 1080060081 is 1800600801.
It is not a de Polignac number, because 1080060081 - 29 = 1080059569 is a prime.
It is a super-2 number, since 2×10800600812 = 2333059557139453122, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1080060011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27481 + ... + 53993.
It is an arithmetic number, because the mean of its divisors is an integer number (92692944).
Almost surely, 21080060081 is an apocalyptic number.
It is an amenable number.
1080060081 is a deficient number, since it is larger than the sum of its proper divisors (403027023).
1080060081 is a wasteful number, since it uses less digits than its factorization.
1080060081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26920.
The product of its (nonzero) digits is 384, while the sum is 24.
The square root of 1080060081 is about 32864.2675409022. The cubic root of 1080060081 is about 1026.0045930356.
Adding to 1080060081 its reverse (1800600801), we get a palindrome (2880660882).
The spelling of 1080060081 in words is "one billion, eighty million, sixty thousand, eighty-one".
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