Base | Representation |
---|---|
bin | 111000011100010101… |
… | …1111101011100001000 |
3 | 102120212100020200211202 |
4 | 1300320223331130020 |
5 | 3441214243212412 |
6 | 131403321443332 |
7 | 11520462060500 |
oct | 1607053753410 |
9 | 376770220752 |
10 | 121210132232 |
11 | 4744aa61402 |
12 | 1b5a9040548 |
13 | b578b18647 |
14 | 5c1bd52a00 |
15 | 32463433c2 |
hex | 1c38afd708 |
121210132232 has 24 divisors (see below), whose sum is σ = 264374141310. Its totient is φ = 51947199360.
The previous prime is 121210132229. The next prime is 121210132279. The reversal of 121210132232 is 232231012121.
It can be written as a sum of positive squares in only one way, i.e., 105959364196 + 15250768036 = 325514^2 + 123494^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154604369 + ... + 154605152.
Almost surely, 2121210132232 is an apocalyptic number.
It is an amenable number.
121210132232 is an abundant number, since it is smaller than the sum of its proper divisors (143164009078).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121210132232 is a wasteful number, since it uses less digits than its factorization.
121210132232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 309209541 (or 309209530 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 121210132232 its reverse (232231012121), we get a palindrome (353441144353).
The spelling of 121210132232 in words is "one hundred twenty-one billion, two hundred ten million, one hundred thirty-two thousand, two hundred thirty-two".
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