Base | Representation |
---|---|
bin | 11000100111001010… |
… | …01011010011111111 |
3 | 1021002212101000022222 |
4 | 30103211023103333 |
5 | 204030113232110 |
6 | 10023053155555 |
7 | 645304112540 |
oct | 142345132377 |
9 | 37085330288 |
10 | 13213414655 |
11 | 56706a0001 |
12 | 268918bbbb |
13 | 1327674b6c |
14 | 8d4c404c7 |
15 | 52505ac55 |
hex | 31394b4ff |
13213414655 has 32 divisors (see below), whose sum is σ = 18916229760. Its totient is φ = 8671173120.
The previous prime is 13213414651. The next prime is 13213414657. The reversal of 13213414655 is 55641431231.
It is not a de Polignac number, because 13213414655 - 22 = 13213414651 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13213414651) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4640 + ... + 162629.
It is an arithmetic number, because the mean of its divisors is an integer number (591132180).
Almost surely, 213213414655 is an apocalyptic number.
13213414655 is a deficient number, since it is larger than the sum of its proper divisors (5702815105).
13213414655 is a wasteful number, since it uses less digits than its factorization.
13213414655 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167379.
The product of its digits is 43200, while the sum is 35.
Adding to 13213414655 its reverse (55641431231), we get a palindrome (68854845886).
The spelling of 13213414655 in words is "thirteen billion, two hundred thirteen million, four hundred fourteen thousand, six hundred fifty-five".
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