Base | Representation |
---|---|
bin | 11000011110110100… |
… | …01000011011110101 |
3 | 1020220222122102120120 |
4 | 30033122020123311 |
5 | 203404203113141 |
6 | 10012112522153 |
7 | 643464100551 |
oct | 141732103365 |
9 | 36828572516 |
10 | 13143410421 |
11 | 5635126869 |
12 | 2669850359 |
13 | 131600443b |
14 | 8c981a861 |
15 | 51dd2dc66 |
hex | 30f6886f5 |
13143410421 has 32 divisors (see below), whose sum is σ = 18960480000. Its totient is φ = 8073719808.
The previous prime is 13143410383. The next prime is 13143410429. The reversal of 13143410421 is 12401434131.
It is not a de Polignac number, because 13143410421 - 213 = 13143402229 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13143410391 and 13143410400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13143410429) 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, 891135 + ... + 905763.
It is an arithmetic number, because the mean of its divisors is an integer number (592515000).
Almost surely, 213143410421 is an apocalyptic number.
It is an amenable number.
13143410421 is a deficient number, since it is larger than the sum of its proper divisors (5817069579).
13143410421 is a wasteful number, since it uses less digits than its factorization.
13143410421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15133.
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 13143410421 its reverse (12401434131), we get a palindrome (25544844552).
The spelling of 13143410421 in words is "thirteen billion, one hundred forty-three million, four hundred ten thousand, four hundred twenty-one".
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