Base | Representation |
---|---|
bin | 111000100010010011… |
… | …0110100101101001011 |
3 | 102121101021112201222002 |
4 | 1301010212310231023 |
5 | 3442121442043311 |
6 | 131435224021215 |
7 | 11525440633034 |
oct | 1610446645513 |
9 | 377337481862 |
10 | 121410112331 |
11 | 47542930412 |
12 | 1b64400180b |
13 | b5ab396871 |
14 | 5c3a72ba8b |
15 | 3258b9693b |
hex | 1c449b4b4b |
121410112331 has 4 divisors (see below), whose sum is σ = 121535149464. Its totient is φ = 121285075200.
The previous prime is 121410112297. The next prime is 121410112339. The reversal of 121410112331 is 133211014121.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133211014121 = 127 ⋅1048905623.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121410112331 is a prime.
It is a super-2 number, since 2×1214101123312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121410112339) 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, 62517110 + ... + 62519051.
It is an arithmetic number, because the mean of its divisors is an integer number (30383787366).
Almost surely, 2121410112331 is an apocalyptic number.
121410112331 is a deficient number, since it is larger than the sum of its proper divisors (125037133).
121410112331 is an equidigital number, since it uses as much as digits as its factorization.
121410112331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125037132.
The product of its (nonzero) digits is 144, while the sum is 20.
Adding to 121410112331 its reverse (133211014121), we get a palindrome (254621126452).
The spelling of 121410112331 in words is "one hundred twenty-one billion, four hundred ten million, one hundred twelve thousand, three hundred thirty-one".
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