Base | Representation |
---|---|
bin | 10001101000111101010… |
… | …110111011111010101000 |
3 | 11021212221000100112211200 |
4 | 101220331112323322220 |
5 | 124330101302401412 |
6 | 2324514235324200 |
7 | 153402461456313 |
oct | 21507526737250 |
9 | 4255830315750 |
10 | 1212210200232 |
11 | 428106068269 |
12 | 176b268b0660 |
13 | 8a407168565 |
14 | 4295802197a |
15 | 217ebb2c9dc |
hex | 11a3d5bbea8 |
1212210200232 has 48 divisors (see below), whose sum is σ = 3283124038740. Its totient is φ = 404063328768.
The previous prime is 1212210200231. The next prime is 1212210200251. The reversal of 1212210200232 is 2320020122121.
1212210200232 is a `hidden beast` number, since 1 + 21 + 2 + 210 + 200 + 232 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 1149342661476 + 62867538756 = 1072074^2 + 250734^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (1212210200231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6153568 + ... + 6347504.
Almost surely, 21212210200232 is an apocalyptic number.
1212210200232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1212210200232 is an abundant number, since it is smaller than the sum of its proper divisors (2070913838508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1212210200232 is a wasteful number, since it uses less digits than its factorization.
1212210200232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 280762 (or 280755 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 1212210200232 its reverse (2320020122121), we get a palindrome (3532230322353).
The spelling of 1212210200232 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred thousand, two hundred thirty-two".
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