Base | Representation |
---|---|
bin | 111100010100101… |
… | …101001111000001 |
3 | 2121112101000212020 |
4 | 330110231033001 |
5 | 4033041423441 |
6 | 244231552053 |
7 | 34036243341 |
oct | 7424551701 |
9 | 2545330766 |
10 | 1012061121 |
11 | 47a311555 |
12 | 242b2b629 |
13 | 1318a0c46 |
14 | 985aad21 |
15 | 5dcb4e66 |
hex | 3c52d3c1 |
1012061121 has 16 divisors (see below), whose sum is σ = 1359555840. Its totient is φ = 669656960.
The previous prime is 1012061047. The next prime is 1012061137. The reversal of 1012061121 is 1211602101.
It is a happy number.
1012061121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1012061121 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1012061121.
It is not an unprimeable number, because it can be changed into a prime (1012061191) 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, 224536 + ... + 228998.
It is an arithmetic number, because the mean of its divisors is an integer number (84972240).
Almost surely, 21012061121 is an apocalyptic number.
It is an amenable number.
1012061121 is a deficient number, since it is larger than the sum of its proper divisors (347494719).
1012061121 is a wasteful number, since it uses less digits than its factorization.
1012061121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5016.
The product of its (nonzero) digits is 24, while the sum is 15.
The square root of 1012061121 is about 31812.9080877558. The cubic root of 1012061121 is about 1004.0043177039.
Adding to 1012061121 its reverse (1211602101), we get a palindrome (2223663222).
The spelling of 1012061121 in words is "one billion, twelve million, sixty-one thousand, one hundred twenty-one".
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