Base | Representation |
---|---|
bin | 11001000011101001… |
… | …11100101100101001 |
3 | 1021201112010020220122 |
4 | 30201310330230221 |
5 | 210022310230441 |
6 | 10102512133025 |
7 | 654235524614 |
oct | 144164745451 |
9 | 37645106818 |
10 | 13452430121 |
11 | 5783600949 |
12 | 2735237175 |
13 | 136503c830 |
14 | 91889b17b |
15 | 53b02034b |
hex | 321d3cb29 |
13452430121 has 4 divisors (see below), whose sum is σ = 14487232452. Its totient is φ = 12417627792.
The previous prime is 13452430109. The next prime is 13452430133. The reversal of 13452430121 is 12103425431.
It is a happy number.
13452430121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (13452430109) and next prime (13452430133).
It can be written as a sum of positive squares in 2 ways, for example, as 6965738521 + 6486691600 = 83461^2 + 80540^2 .
It is a cyclic number.
It is not a de Polignac number, because 13452430121 - 218 = 13452167977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13452430171) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517401146 + ... + 517401171.
It is an arithmetic number, because the mean of its divisors is an integer number (3621808113).
Almost surely, 213452430121 is an apocalyptic number.
It is an amenable number.
13452430121 is a deficient number, since it is larger than the sum of its proper divisors (1034802331).
13452430121 is a wasteful number, since it uses less digits than its factorization.
13452430121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1034802330.
The product of its (nonzero) digits is 2880, while the sum is 26.
Adding to 13452430121 its reverse (12103425431), we get a palindrome (25555855552).
The spelling of 13452430121 in words is "thirteen billion, four hundred fifty-two million, four hundred thirty thousand, one hundred twenty-one".
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