Base | Representation |
---|---|
bin | 10110010111001010… |
… | …01010001100101101 |
3 | 1010222200101002002100 |
4 | 23023211022030231 |
5 | 144041343404131 |
6 | 5303142245313 |
7 | 603335434350 |
oct | 131345121455 |
9 | 33880332070 |
10 | 12005450541 |
11 | 5100844757 |
12 | 23b0726839 |
13 | 11943226b6 |
14 | 81c63a297 |
15 | 4a3e9a7e6 |
hex | 2cb94a32d |
12005450541 has 48 divisors (see below), whose sum is σ = 21003076224. Its totient is φ = 6450941952.
The previous prime is 12005450539. The next prime is 12005450549. The reversal of 12005450541 is 14505450021.
12005450541 is a `hidden beast` number, since 1 + 20 + 0 + 54 + 50 + 541 = 666.
12005450541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12005450541 - 21 = 12005450539 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12005450549) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 1369725 + ... + 1378461.
It is an arithmetic number, because the mean of its divisors is an integer number (437564088).
Almost surely, 212005450541 is an apocalyptic number.
It is an amenable number.
12005450541 is a deficient number, since it is larger than the sum of its proper divisors (8997625683).
12005450541 is a wasteful number, since it uses less digits than its factorization.
12005450541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10050 (or 10047 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 27.
The spelling of 12005450541 in words is "twelve billion, five million, four hundred fifty thousand, five hundred forty-one".
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