Base | Representation |
---|---|
bin | 1011110101011101100101… |
… | …1000111100011011010101 |
3 | 1201002001002112100201120100 |
4 | 2331113121120330123111 |
5 | 3201201313400300141 |
6 | 43402045334124313 |
7 | 2512110553404435 |
oct | 275273130743325 |
9 | 51061075321510 |
10 | 13013103134421 |
11 | 416790a517605 |
12 | 1562039ab0699 |
13 | 73519052a4b0 |
14 | 32dba235a2c5 |
15 | 178779bac0b6 |
hex | bd5d963c6d5 |
13013103134421 has 48 divisors (see below), whose sum is σ = 20463380106624. Its totient is φ = 7920955274112.
The previous prime is 13013103134417. The next prime is 13013103134453. The reversal of 13013103134421 is 12443130131031.
13013103134421 is a `hidden beast` number, since 1 + 3 + 0 + 1 + 3 + 103 + 134 + 421 = 666.
It is not a de Polignac number, because 13013103134421 - 22 = 13013103134417 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13013103134491) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7296495 + ... + 8903091.
It is an arithmetic number, because the mean of its divisors is an integer number (426320418888).
Almost surely, 213013103134421 is an apocalyptic number.
It is an amenable number.
13013103134421 is a deficient number, since it is larger than the sum of its proper divisors (7450276972203).
13013103134421 is a wasteful number, since it uses less digits than its factorization.
13013103134421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1607370 (or 1607367 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
Adding to 13013103134421 its reverse (12443130131031), we get a palindrome (25456233265452).
It can be divided in two parts, 1301310 and 3134421, that added together give a triangular number (4435731 = T2978).
The spelling of 13013103134421 in words is "thirteen trillion, thirteen billion, one hundred three million, one hundred thirty-four thousand, four hundred twenty-one".
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