Base | Representation |
---|---|
bin | 11000000111111011… |
… | …11100001110111001 |
3 | 1020102121110220020100 |
4 | 30003331330032321 |
5 | 203011034033113 |
6 | 5541054550013 |
7 | 635643454524 |
oct | 140375741671 |
9 | 36377426210 |
10 | 12951471033 |
11 | 5546849976 |
12 | 2615508309 |
13 | 12b5310037 |
14 | 8ac135bbb |
15 | 50c067d73 |
hex | 303f7c3b9 |
12951471033 has 24 divisors (see below), whose sum is σ = 18761525640. Its totient is φ = 8609506560.
The previous prime is 12951470999. The next prime is 12951471041. The reversal of 12951471033 is 33017415921.
12951471033 is a `hidden beast` number, since 129 + 514 + 7 + 10 + 3 + 3 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 2723587344 + 10227883689 = 52188^2 + 101133^2 .
It is not a de Polignac number, because 12951471033 - 222 = 12947276729 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12951471433) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6769285 + ... + 6771197.
It is an arithmetic number, because the mean of its divisors is an integer number (781730235).
Almost surely, 212951471033 is an apocalyptic number.
It is an amenable number.
12951471033 is a deficient number, since it is larger than the sum of its proper divisors (5810054607).
12951471033 is a wasteful number, since it uses less digits than its factorization.
12951471033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3689 (or 3686 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 36.
Adding to 12951471033 its reverse (33017415921), we get a palindrome (45968886954).
The spelling of 12951471033 in words is "twelve billion, nine hundred fifty-one million, four hundred seventy-one thousand, thirty-three".
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