Base | Representation |
---|---|
bin | 11000011101100000… |
… | …10101100011101001 |
3 | 1020220020000210100200 |
4 | 30032300111203221 |
5 | 203343402012441 |
6 | 10011042022413 |
7 | 643302006153 |
oct | 141660254351 |
9 | 36806023320 |
10 | 13132454121 |
11 | 5629a23176 |
12 | 2666047a09 |
13 | 1313969517 |
14 | 8c81a7ad3 |
15 | 51cdb77b6 |
hex | 30ec158e9 |
13132454121 has 12 divisors (see below), whose sum is σ = 18971733300. Its totient is φ = 8753754240.
The previous prime is 13132454057. The next prime is 13132454131. The reversal of 13132454121 is 12145423131.
13132454121 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 245 + 412 + 1 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 6170888025 + 6961566096 = 78555^2 + 83436^2 .
It is not a de Polignac number, because 13132454121 - 26 = 13132454057 is a prime.
It is a super-2 number, since 2×131324541212 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13132454131) 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, 30196 + ... + 164853.
It is an arithmetic number, because the mean of its divisors is an integer number (1580977775).
Almost surely, 213132454121 is an apocalyptic number.
It is an amenable number.
13132454121 is a deficient number, since it is larger than the sum of its proper divisors (5839279179).
13132454121 is a wasteful number, since it uses less digits than its factorization.
13132454121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202536 (or 202533 counting only the distinct ones).
The product of its digits is 2880, while the sum is 27.
Adding to 13132454121 its reverse (12145423131), we get a palindrome (25277877252).
The spelling of 13132454121 in words is "thirteen billion, one hundred thirty-two million, four hundred fifty-four thousand, one hundred twenty-one".
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