Base | Representation |
---|---|
bin | 1111110001011… |
… | …10110000111001 |
3 | 100012222011002221 |
4 | 13320232300321 |
5 | 232332441441 |
6 | 21043524041 |
7 | 3164430424 |
oct | 770566071 |
9 | 305864087 |
10 | 132312121 |
11 | 68761067 |
12 | 38389621 |
13 | 21547cc6 |
14 | 138029bb |
15 | b9388d1 |
hex | 7e2ec39 |
132312121 has 8 divisors (see below), whose sum is σ = 135511488. Its totient is φ = 129150000.
The previous prime is 132312109. The next prime is 132312127. The reversal of 132312121 is 121213231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 132312121 - 219 = 131787833 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 132312095 and 132312104.
It is not an unprimeable number, because it can be changed into a prime (132312127) 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, 2055 + ... + 16396.
It is an arithmetic number, because the mean of its divisors is an integer number (16938936).
Almost surely, 2132312121 is an apocalyptic number.
It is an amenable number.
132312121 is a deficient number, since it is larger than the sum of its proper divisors (3199367).
132312121 is a wasteful number, since it uses less digits than its factorization.
132312121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18623.
The product of its digits is 72, while the sum is 16.
The square root of 132312121 is about 11502.7005959470. The cubic root of 132312121 is about 509.5653364290.
Adding to 132312121 its reverse (121213231), we get a palindrome (253525352).
The spelling of 132312121 in words is "one hundred thirty-two million, three hundred twelve thousand, one hundred twenty-one".
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