Base | Representation |
---|---|
bin | 11011100000110010000010… |
… | …000001001001000000001101 |
3 | 120212102111011001012110102222 |
4 | 123200302002001021000031 |
5 | 111324431000000000023 |
6 | 1105202344351225125 |
7 | 34325650541013221 |
oct | 3340620201110015 |
9 | 525374131173388 |
10 | 121000000000013 |
11 | 356108a259a112 |
12 | 116a273b2181a5 |
13 | 52693356c5504 |
14 | 21c46074b6781 |
15 | dec74adbbcc8 |
hex | 6e0c8204900d |
121000000000013 has 8 divisors (see below), whose sum is σ = 121089353094528. Its totient is φ = 120910652977824.
The previous prime is 121000000000007. The next prime is 121000000000057. The reversal of 121000000000013 is 310000000000121.
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 121000000000013 - 244 = 103407813955597 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 121000000000013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121000000005013) 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, 38743481 + ... + 41749937.
It is an arithmetic number, because the mean of its divisors is an integer number (15136169136816).
Almost surely, 2121000000000013 is an apocalyptic number.
It is an amenable number.
121000000000013 is a deficient number, since it is larger than the sum of its proper divisors (89353094515).
121000000000013 is a wasteful number, since it uses less digits than its factorization.
121000000000013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3036163.
The product of its (nonzero) digits is 6, while the sum is 8.
Adding to 121000000000013 its reverse (310000000000121), we get a palindrome (431000000000134).
The spelling of 121000000000013 in words is "one hundred twenty-one trillion, thirteen", and thus it is an aban number.
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