Base | Representation |
---|---|
bin | 11101110101011000111010… |
… | …000000111000001001010101 |
3 | 122012120202200111201011110121 |
4 | 131311120322000320021111 |
5 | 114144240113343420201 |
6 | 1143022021425351541 |
7 | 36431525143333405 |
oct | 3565307200701125 |
9 | 565522614634417 |
10 | 131212224201301 |
11 | 38898878958721 |
12 | 128719844985b1 |
13 | 582a34b5b34a9 |
14 | 24589c3dc6805 |
15 | 10281e753e9a1 |
hex | 77563a038255 |
131212224201301 has 4 divisors (see below), whose sum is σ = 132213844233504. Its totient is φ = 130210604169100.
The previous prime is 131212224201269. The next prime is 131212224201319. The reversal of 131212224201301 is 103102422212131.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 131212224201301 - 25 = 131212224201269 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131212224201901) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500810015905 + ... + 500810016166.
It is an arithmetic number, because the mean of its divisors is an integer number (33053461058376).
Almost surely, 2131212224201301 is an apocalyptic number.
It is an amenable number.
131212224201301 is a deficient number, since it is larger than the sum of its proper divisors (1001620032203).
131212224201301 is a wasteful number, since it uses less digits than its factorization.
131212224201301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1001620032202.
The product of its (nonzero) digits is 1152, while the sum is 25.
Adding to 131212224201301 its reverse (103102422212131), we get a palindrome (234314646413432).
The spelling of 131212224201301 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred twenty-four million, two hundred one thousand, three hundred one".
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