Base | Representation |
---|---|
bin | 1110011011011… |
… | …00100101101111 |
3 | 22102202000100111 |
4 | 13031230211233 |
5 | 221440443043 |
6 | 20002040451 |
7 | 2666514061 |
oct | 715544557 |
9 | 272660314 |
10 | 121031023 |
11 | 62356443 |
12 | 34649127 |
13 | 1c0c82b9 |
14 | 12107731 |
15 | a95b09d |
hex | 736c96f |
121031023 has 8 divisors (see below), whose sum is σ = 122452416. Its totient is φ = 119616000.
The previous prime is 121031021. The next prime is 121031051. The reversal of 121031023 is 320130121.
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 121031023 - 21 = 121031021 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121030994 and 121031012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121031021) 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, 43978 + ... + 46648.
It is an arithmetic number, because the mean of its divisors is an integer number (15306552).
Almost surely, 2121031023 is an apocalyptic number.
121031023 is a deficient number, since it is larger than the sum of its proper divisors (1421393).
121031023 is a wasteful number, since it uses less digits than its factorization.
121031023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3185.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 121031023 is about 11001.4100459896. The cubic root of 121031023 is about 494.6510113659.
Adding to 121031023 its reverse (320130121), we get a palindrome (441161144).
The spelling of 121031023 in words is "one hundred twenty-one million, thirty-one thousand, twenty-three".
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