Base | Representation |
---|---|
bin | 111000011111011000… |
… | …0100110010000100101 |
3 | 102121010102221200122121 |
4 | 1300332300212100211 |
5 | 3441421333330201 |
6 | 131421401225541 |
7 | 11523140040145 |
oct | 1607660462045 |
9 | 377112850577 |
10 | 121312011301 |
11 | 474a2516688 |
12 | 1b6171922b1 |
13 | b593c69510 |
14 | 5c2b6b2925 |
15 | 32502699a1 |
hex | 1c3ec26425 |
121312011301 has 8 divisors (see below), whose sum is σ = 130660728800. Its totient is φ = 111965725872.
The previous prime is 121312011299. The next prime is 121312011329. The reversal of 121312011301 is 103110213121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 121312011301 - 21 = 121312011299 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 (121312011341) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503751 + ... + 704548.
It is an arithmetic number, because the mean of its divisors is an integer number (16332591100).
Almost surely, 2121312011301 is an apocalyptic number.
It is an amenable number.
121312011301 is a deficient number, since it is larger than the sum of its proper divisors (9348717499).
121312011301 is a wasteful number, since it uses less digits than its factorization.
121312011301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1216035.
The product of its (nonzero) digits is 36, while the sum is 16.
Adding to 121312011301 its reverse (103110213121), we get a palindrome (224422224422).
The spelling of 121312011301 in words is "one hundred twenty-one billion, three hundred twelve million, eleven thousand, three hundred one".
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