Base | Representation |
---|---|
bin | 1011100101000100010101… |
… | …0000101010001000110011 |
3 | 1200002010002022000001202200 |
4 | 2321101011100222020303 |
5 | 3132042444413411042 |
6 | 43024424540114243 |
7 | 2452550035312152 |
oct | 271210520521063 |
9 | 50063068001680 |
10 | 12731445060147 |
11 | 4069414912610 |
12 | 1517533235983 |
13 | 714754719198 |
14 | 3202c320d599 |
15 | 1712928e7c4c |
hex | b944542a233 |
12731445060147 has 48 divisors (see below), whose sum is σ = 20128837322880. Its totient is φ = 7690214822400.
The previous prime is 12731445060109. The next prime is 12731445060211. The reversal of 12731445060147 is 74106054413721.
12731445060147 is a `hidden beast` number, since 1 + 2 + 7 + 3 + 1 + 445 + 0 + 60 + 147 = 666.
It is not a de Polignac number, because 12731445060147 - 214 = 12731445043763 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12731445064147) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74770147 + ... + 74940227.
It is an arithmetic number, because the mean of its divisors is an integer number (419350777560).
Almost surely, 212731445060147 is an apocalyptic number.
12731445060147 is a deficient number, since it is larger than the sum of its proper divisors (7397392262733).
12731445060147 is a wasteful number, since it uses less digits than its factorization.
12731445060147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172624 (or 172621 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 45.
Adding to 12731445060147 its reverse (74106054413721), we get a palindrome (86837499473868).
The spelling of 12731445060147 in words is "twelve trillion, seven hundred thirty-one billion, four hundred forty-five million, sixty thousand, one hundred forty-seven".
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