Base | Representation |
---|---|
bin | 11000110101001110… |
… | …11101110010101010 |
3 | 1021102002111002110000 |
4 | 30122213131302222 |
5 | 204300323031041 |
6 | 10042511203430 |
7 | 651236333112 |
oct | 143247356252 |
9 | 37362432400 |
10 | 13331455146 |
11 | 5721293629 |
12 | 2700816576 |
13 | 1345c63bc9 |
14 | 9067aa042 |
15 | 5305c5bb6 |
hex | 31a9ddcaa |
13331455146 has 40 divisors (see below), whose sum is σ = 31444570080. Its totient is φ = 4209932232.
The previous prime is 13331455099. The next prime is 13331455147. The reversal of 13331455146 is 64155413331.
13331455146 is a `hidden beast` number, since 1 + 33 + 31 + 4 + 551 + 46 = 666.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 13331455146.
It is not an unprimeable number, because it can be changed into a prime (13331455147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2162526 + ... + 2168681.
It is an arithmetic number, because the mean of its divisors is an integer number (786114252).
Almost surely, 213331455146 is an apocalyptic number.
13331455146 is an abundant number, since it is smaller than the sum of its proper divisors (18113114934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13331455146 is a wasteful number, since it uses less digits than its factorization.
13331455146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4331240 (or 4331231 counting only the distinct ones).
The product of its digits is 64800, while the sum is 36.
Adding to 13331455146 its reverse (64155413331), we get a palindrome (77486868477).
The spelling of 13331455146 in words is "thirteen billion, three hundred thirty-one million, four hundred fifty-five thousand, one hundred forty-six".
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