Base | Representation |
---|---|
bin | 11011100001000100111100… |
… | …100110110010011001000111 |
3 | 120212111102120111121121120101 |
4 | 123201010330212302121013 |
5 | 111330244043414101411 |
6 | 1105215544003344531 |
7 | 34330300051506406 |
oct | 3341047446623107 |
9 | 525442514547511 |
10 | 121020310300231 |
11 | 356194751982a1 |
12 | 116a6669082147 |
13 | 526b221466334 |
14 | 21c55b2a9363d |
15 | ded038ecd8c1 |
hex | 6e113c9b2647 |
121020310300231 has 8 divisors (see below), whose sum is σ = 121287202644960. Its totient is φ = 120753707586432.
The previous prime is 121020310300193. The next prime is 121020310300327. The reversal of 121020310300231 is 132003013020121.
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 121020310300231 - 211 = 121020310298183 is a prime.
It is a super-2 number, since 2×1210203103002312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121020310300199 and 121020310300208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121020310310231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71571115 + ... + 73242508.
It is an arithmetic number, because the mean of its divisors is an integer number (15160900330620).
Almost surely, 2121020310300231 is an apocalyptic number.
121020310300231 is a deficient number, since it is larger than the sum of its proper divisors (266892344729).
121020310300231 is a wasteful number, since it uses less digits than its factorization.
121020310300231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144815465.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 121020310300231 its reverse (132003013020121), we get a palindrome (253023323320352).
The spelling of 121020310300231 in words is "one hundred twenty-one trillion, twenty billion, three hundred ten million, three hundred thousand, two hundred thirty-one".
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