Base | Representation |
---|---|
bin | 111000011100000100… |
… | …1001011000110001101 |
3 | 102120211201002101210100 |
4 | 1300320021023012031 |
5 | 3441204424410013 |
6 | 131402354201313 |
7 | 11520321420264 |
oct | 1607011130615 |
9 | 376751071710 |
10 | 121201013133 |
11 | 474458a3062 |
12 | 1b5a5b83239 |
13 | b576c74a25 |
14 | 5c1aa5b5db |
15 | 3245641473 |
hex | 1c3824b18d |
121201013133 has 12 divisors (see below), whose sum is σ = 177533879328. Its totient is φ = 79662637320.
The previous prime is 121201013099. The next prime is 121201013189. The reversal of 121201013133 is 331310102121.
It is not a de Polignac number, because 121201013133 - 224 = 121184235917 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121201013833) 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, 94835835 + ... + 94837112.
It is an arithmetic number, because the mean of its divisors is an integer number (14794489944).
Almost surely, 2121201013133 is an apocalyptic number.
It is an amenable number.
121201013133 is a deficient number, since it is larger than the sum of its proper divisors (56332866195).
121201013133 is a wasteful number, since it uses less digits than its factorization.
121201013133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189673024 (or 189673021 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 121201013133 its reverse (331310102121), we get a palindrome (452511115254).
The spelling of 121201013133 in words is "one hundred twenty-one billion, two hundred one million, thirteen thousand, one hundred thirty-three".
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