Base | Representation |
---|---|
bin | 10110011100000001… |
… | …11010100110111001 |
3 | 1011002112012111010221 |
4 | 23032000322212321 |
5 | 144132321444040 |
6 | 5311201340041 |
7 | 604342462123 |
oct | 131600724671 |
9 | 34075174127 |
10 | 12046281145 |
11 | 51218a2358 |
12 | 2402337621 |
13 | 119c91a312 |
14 | 823c28213 |
15 | 4a786374a |
hex | 2ce03a9b9 |
12046281145 has 16 divisors (see below), whose sum is σ = 14959242000. Its totient is φ = 9301454848.
The previous prime is 12046281047. The next prime is 12046281161. The reversal of 12046281145 is 54118264021.
12046281145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 795860521 + 11250420624 = 28211^2 + 106068^2 .
It is a cyclic number.
It is not a de Polignac number, because 12046281145 - 215 = 12046248377 is a prime.
It is a super-2 number, since 2×120462811452 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12046281145.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452361 + ... + 478249.
It is an arithmetic number, because the mean of its divisors is an integer number (934952625).
Almost surely, 212046281145 is an apocalyptic number.
It is an amenable number.
12046281145 is a deficient number, since it is larger than the sum of its proper divisors (2912960855).
12046281145 is a wasteful number, since it uses less digits than its factorization.
12046281145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29132.
The product of its (nonzero) digits is 15360, while the sum is 34.
The spelling of 12046281145 in words is "twelve billion, forty-six million, two hundred eighty-one thousand, one hundred forty-five".
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