Base | Representation |
---|---|
bin | 11001001011110110… |
… | …00011111011001110 |
3 | 1021220022102011010211 |
4 | 30211323003323032 |
5 | 210142403011304 |
6 | 10113404553034 |
7 | 656031543322 |
oct | 144573037316 |
9 | 37808364124 |
10 | 13521141454 |
11 | 5809371777 |
12 | 275425277a |
13 | 1376349922 |
14 | 923a65982 |
15 | 542094204 |
hex | 325ec3ece |
13521141454 has 32 divisors (see below), whose sum is σ = 21706176960. Its totient is φ = 6294454272.
The previous prime is 13521141449. The next prime is 13521141463. The reversal of 13521141454 is 45414112531.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5213182 + ... + 5215774.
It is an arithmetic number, because the mean of its divisors is an integer number (678318030).
Almost surely, 213521141454 is an apocalyptic number.
13521141454 is a deficient number, since it is larger than the sum of its proper divisors (8185035506).
13521141454 is a wasteful number, since it uses less digits than its factorization.
13521141454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4204.
The product of its digits is 9600, while the sum is 31.
Adding to 13521141454 its reverse (45414112531), we get a palindrome (58935253985).
The spelling of 13521141454 in words is "thirteen billion, five hundred twenty-one million, one hundred forty-one thousand, four hundred fifty-four".
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