Base | Representation |
---|---|
bin | 10110011011011100… |
… | …01111111000010101 |
3 | 1011002011222212101100 |
4 | 23031232033320111 |
5 | 144130043400131 |
6 | 5310504420313 |
7 | 604253051061 |
oct | 131556177025 |
9 | 34064885340 |
10 | 12041387541 |
11 | 511a05a757 |
12 | 2400777699 |
13 | 119b8c5ab1 |
14 | 823312aa1 |
15 | 4a71e87e6 |
hex | 2cdb8fe15 |
12041387541 has 12 divisors (see below), whose sum is σ = 18308542720. Its totient is φ = 7605086760.
The previous prime is 12041387483. The next prime is 12041387549. The reversal of 12041387541 is 14578314021.
12041387541 is a `hidden beast` number, since 1 + 20 + 4 + 13 + 87 + 541 = 666.
It is not a de Polignac number, because 12041387541 - 210 = 12041386517 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12041387496 and 12041387505.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12041387549) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35208565 + ... + 35208906.
Almost surely, 212041387541 is an apocalyptic number.
It is an amenable number.
12041387541 is a deficient number, since it is larger than the sum of its proper divisors (6267155179).
12041387541 is a wasteful number, since it uses less digits than its factorization.
12041387541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70417496 (or 70417493 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The spelling of 12041387541 in words is "twelve billion, forty-one million, three hundred eighty-seven thousand, five hundred forty-one".
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