Base | Representation |
---|---|
bin | 111000011100101111… |
… | …0010011100110111000 |
3 | 102120220021002020002120 |
4 | 1300321132103212320 |
5 | 3441231133031412 |
6 | 131404512401240 |
7 | 11521012206564 |
oct | 1607136234670 |
9 | 376807066076 |
10 | 121223330232 |
11 | 47457456244 |
12 | 1b5b1546220 |
13 | b57b789a04 |
14 | 5c1d9ca6a4 |
15 | 324759db8c |
hex | 1c397939b8 |
121223330232 has 16 divisors (see below), whose sum is σ = 303058325640. Its totient is φ = 40407776736.
The previous prime is 121223330213. The next prime is 121223330243. The reversal of 121223330232 is 232033322121.
It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 5050972093 = 121223330232 / (1 + 2 + 1 + 2 + 2 + 3 + 3 + 3 + 0 + 2 + 3 + 2).
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, 2525486023 + ... + 2525486070.
Almost surely, 2121223330232 is an apocalyptic number.
121223330232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121223330232 is an abundant number, since it is smaller than the sum of its proper divisors (181834995408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121223330232 is a wasteful number, since it uses less digits than its factorization.
121223330232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5050972102 (or 5050972098 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 121223330232 its reverse (232033322121), we get a palindrome (353256652353).
The spelling of 121223330232 in words is "one hundred twenty-one billion, two hundred twenty-three million, three hundred thirty thousand, two hundred thirty-two".
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