Base | Representation |
---|---|
bin | 1100010110100011010… |
… | …1110011011001001100 |
3 | 202021202102221102202000 |
4 | 3011220311303121030 |
5 | 11434102324111413 |
6 | 241253342432300 |
7 | 21221551026540 |
oct | 3055065633114 |
9 | 667672842660 |
10 | 212212332108 |
11 | 81aa9369057 |
12 | 35165592690 |
13 | 1701c4681aa |
14 | a3b1db1a20 |
15 | 57c0688073 |
hex | 3168d7364c |
212212332108 has 96 divisors (see below), whose sum is σ = 636736665600. Its totient is φ = 59864583168.
The previous prime is 212212332107. The next prime is 212212332121. The reversal of 212212332108 is 801233212212.
212212332108 is a `hidden beast` number, since 2 + 1 + 221 + 2 + 332 + 108 = 666.
212212332108 is digitally balanced in base 2, 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 (27).
It is not an unprimeable number, because it can be changed into a prime (212212332107) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 1716885 + ... + 1836332.
It is an arithmetic number, because the mean of its divisors is an integer number (6632673600).
Almost surely, 2212212332108 is an apocalyptic number.
212212332108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
212212332108 is an abundant number, since it is smaller than the sum of its proper divisors (424524333492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212212332108 is a wasteful number, since it uses less digits than its factorization.
212212332108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3553316 (or 3553308 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The spelling of 212212332108 in words is "two hundred twelve billion, two hundred twelve million, three hundred thirty-two thousand, one hundred eight".
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