Base | Representation |
---|---|
bin | 11000110110010000… |
… | …11100110111101001 |
3 | 1021102200202101212100 |
4 | 30123020130313221 |
5 | 204310031231441 |
6 | 10043420404013 |
7 | 651402666003 |
oct | 143310346751 |
9 | 37380671770 |
10 | 13340102121 |
11 | 572615a195 |
12 | 27036a6609 |
13 | 13479a0968 |
14 | 9079bb373 |
15 | 531232cb6 |
hex | 31b21cde9 |
13340102121 has 12 divisors (see below), whose sum is σ = 19278064260. Its totient is φ = 8889234720.
The previous prime is 13340102093. The next prime is 13340102129. The reversal of 13340102121 is 12120104331.
It can be written as a sum of positive squares in 2 ways, for example, as 10596437721 + 2743664400 = 102939^2 + 52380^2 .
It is not a de Polignac number, because 13340102121 - 25 = 13340102089 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13340102094 and 13340102103.
It is not an unprimeable number, because it can be changed into a prime (13340102129) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 326886 + ... + 365423.
It is an arithmetic number, because the mean of its divisors is an integer number (1606505355).
Almost surely, 213340102121 is an apocalyptic number.
It is an amenable number.
13340102121 is a deficient number, since it is larger than the sum of its proper divisors (5937962139).
13340102121 is a wasteful number, since it uses less digits than its factorization.
13340102121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 694456 (or 694453 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 13340102121 its reverse (12120104331), we get a palindrome (25460206452).
The spelling of 13340102121 in words is "thirteen billion, three hundred forty million, one hundred two thousand, one hundred twenty-one".
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