Base | Representation |
---|---|
bin | 11101110101011000110011… |
… | …011001100100000011100101 |
3 | 122012120202101202220100100020 |
4 | 131311120303121210003211 |
5 | 114144234401441411401 |
6 | 1143022002423105353 |
7 | 36431522325164136 |
oct | 3565306331440345 |
9 | 565522352810306 |
10 | 131212113232101 |
11 | 38898821254940 |
12 | 128719532a2259 |
13 | 582a3315cbc45 |
14 | 24589b337bc8d |
15 | 10281dc91ed36 |
hex | 7756336640e5 |
131212113232101 has 8 divisors (see below), whose sum is σ = 190853982883104. Its totient is φ = 79522492867920.
The previous prime is 131212113232069. The next prime is 131212113232133. The reversal of 131212113232101 is 101232311212131.
It is an interprime number because it is at equal distance from previous prime (131212113232069) and next prime (131212113232133).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131212113232101 - 25 = 131212113232069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131212113232141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1988062321666 + ... + 1988062321731.
It is an arithmetic number, because the mean of its divisors is an integer number (23856747860388).
Almost surely, 2131212113232101 is an apocalyptic number.
131212113232101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
131212113232101 is a deficient number, since it is larger than the sum of its proper divisors (59641869651003).
131212113232101 is a wasteful number, since it uses less digits than its factorization.
131212113232101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3976124643411.
The product of its (nonzero) digits is 432, while the sum is 24.
Adding to 131212113232101 its reverse (101232311212131), we get a palindrome (232444424444232).
The spelling of 131212113232101 in words is "one hundred thirty-one trillion, two hundred twelve billion, one hundred thirteen million, two hundred thirty-two thousand, one hundred one".
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