Base | Representation |
---|---|
bin | 1110011100111… |
… | …01101111110100 |
3 | 22110010020112212 |
4 | 13032131233310 |
5 | 222013413442 |
6 | 20010232552 |
7 | 3001313102 |
oct | 716355764 |
9 | 273106485 |
10 | 121232372 |
11 | 62483748 |
12 | 34725758 |
13 | 1c168b41 |
14 | 1215ac72 |
15 | a99aa82 |
hex | 739dbf4 |
121232372 has 12 divisors (see below), whose sum is σ = 224636580. Its totient is φ = 57050496.
The previous prime is 121232357. The next prime is 121232381. The reversal of 121232372 is 273232121.
121232372 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 89038096 + 32194276 = 9436^2 + 5674^2 .
121232372 is strictly pandigital in base 9.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891347 + ... + 891482.
It is an arithmetic number, because the mean of its divisors is an integer number (18719715).
Almost surely, 2121232372 is an apocalyptic number.
It is an amenable number.
121232372 is a deficient number, since it is larger than the sum of its proper divisors (103404208).
121232372 is a wasteful number, since it uses less digits than its factorization.
121232372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1782850 (or 1782848 counting only the distinct ones).
The product of its digits is 1008, while the sum is 23.
The square root of 121232372 is about 11010.5572974305. The cubic root of 121232372 is about 494.9251623078.
Adding to 121232372 its reverse (273232121), we get a palindrome (394464493).
The spelling of 121232372 in words is "one hundred twenty-one million, two hundred thirty-two thousand, three hundred seventy-two".
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