Base | Representation |
---|---|
bin | 111000011111000011… |
… | …1011110000111000111 |
3 | 102121002200122221112000 |
4 | 1300332013132013013 |
5 | 3441411103330043 |
6 | 131420334200343 |
7 | 11522646304641 |
oct | 1607607360707 |
9 | 377080587460 |
10 | 121301230023 |
11 | 47497422536 |
12 | 1b6136530b3 |
13 | b59196316c |
14 | 5c2a0a7891 |
15 | 324e33a2d3 |
hex | 1c3e1de1c7 |
121301230023 has 16 divisors (see below), whose sum is σ = 179711965440. Its totient is φ = 80864588952.
The previous prime is 121301230013. The next prime is 121301230027. The reversal of 121301230023 is 320032103121.
It is not a de Polignac number, because 121301230023 - 28 = 121301229767 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 121301229978 and 121301230005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121301230027) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907390 + ... + 1032452.
It is an arithmetic number, because the mean of its divisors is an integer number (11231997840).
Almost surely, 2121301230023 is an apocalyptic number.
121301230023 is a deficient number, since it is larger than the sum of its proper divisors (58410735417).
121301230023 is a wasteful number, since it uses less digits than its factorization.
121301230023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160995 (or 160989 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 121301230023 its reverse (320032103121), we get a palindrome (441333333144).
The spelling of 121301230023 in words is "one hundred twenty-one billion, three hundred one million, two hundred thirty thousand, twenty-three".
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