Base | Representation |
---|---|
bin | 111000010110011010… |
… | …0110000100001001101 |
3 | 102120100110202102102112 |
4 | 1300230310300201031 |
5 | 3440312321041023 |
6 | 131331452033405 |
7 | 11512524323561 |
oct | 1605464604115 |
9 | 376313672375 |
10 | 121011112013 |
11 | 47358688590 |
12 | 1b552462865 |
13 | b5468152bc |
14 | 5bdd7476a1 |
15 | 3233b2e478 |
hex | 1c2cd3084d |
121011112013 has 8 divisors (see below), whose sum is σ = 132018458880. Its totient is φ = 110004821280.
The previous prime is 121011111997. The next prime is 121011112063. The reversal of 121011112013 is 310211110121.
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 121011112013 - 24 = 121011111997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121011112063) 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, 14168 + ... + 492161.
It is an arithmetic number, because the mean of its divisors is an integer number (16502307360).
Almost surely, 2121011112013 is an apocalyptic number.
It is an amenable number.
121011112013 is a deficient number, since it is larger than the sum of its proper divisors (11007346867).
121011112013 is a wasteful number, since it uses less digits than its factorization.
121011112013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 528067.
The product of its (nonzero) digits is 12, while the sum is 14.
Adding to 121011112013 its reverse (310211110121), we get a palindrome (431222222134).
The spelling of 121011112013 in words is "one hundred twenty-one billion, eleven million, one hundred twelve thousand, thirteen".
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