Base | Representation |
---|---|
bin | 111000011100011001… |
… | …1011101111011101100 |
3 | 102120212110221200120100 |
4 | 1300320303131323230 |
5 | 3441220244202312 |
6 | 131403431551100 |
7 | 11520514565421 |
oct | 1607063357354 |
9 | 376773850510 |
10 | 121212100332 |
11 | 47451086034 |
12 | 1b5a982b490 |
13 | b5793573bb |
14 | 5c1c305d48 |
15 | 32465d15dc |
hex | 1c38cddeec |
121212100332 has 72 divisors (see below), whose sum is σ = 327810806960. Its totient is φ = 37649992320.
The previous prime is 121212100319. The next prime is 121212100357. The reversal of 121212100332 is 233001212121.
121212100332 is a `hidden beast` number, since 1 + 2 + 121 + 210 + 0 + 332 = 666.
121212100332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1410823 + ... + 1494270.
Almost surely, 2121212100332 is an apocalyptic number.
121212100332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121212100332 is an abundant number, since it is smaller than the sum of its proper divisors (206598706628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121212100332 is a wasteful number, since it uses less digits than its factorization.
121212100332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2905183 (or 2905178 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 121212100332 its reverse (233001212121), we get a palindrome (354213312453).
The spelling of 121212100332 in words is "one hundred twenty-one billion, two hundred twelve million, one hundred thousand, three hundred thirty-two".
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