Base | Representation |
---|---|
bin | 1100010011001111011… |
… | …0101011101011100100 |
3 | 202012110111012111021100 |
4 | 3010303312223223210 |
5 | 11430242240321322 |
6 | 241025225120100 |
7 | 21160535003103 |
oct | 3046366535344 |
9 | 665414174240 |
10 | 211323370212 |
11 | 816925958a9 |
12 | 34b57929030 |
13 | 16c0a237a36 |
14 | a329cca03a |
15 | 576c5dbdac |
hex | 3133dabae4 |
211323370212 has 36 divisors (see below), whose sum is σ = 534193969036. Its totient is φ = 70439086080.
The previous prime is 211323370189. The next prime is 211323370213. The reversal of 211323370212 is 212073323112.
211323370212 is a `hidden beast` number, since 2 + 113 + 2 + 337 + 0 + 212 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 168546375936 + 42776994276 = 410544^2 + 206826^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (211323370213) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1679412 + ... + 1800852.
Almost surely, 2211323370212 is an apocalyptic number.
It is an amenable number.
211323370212 is an abundant number, since it is smaller than the sum of its proper divisors (322870598824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211323370212 is a wasteful number, since it uses less digits than its factorization.
211323370212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169788 (or 169783 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
Adding to 211323370212 its reverse (212073323112), we get a palindrome (423396693324).
The spelling of 211323370212 in words is "two hundred eleven billion, three hundred twenty-three million, three hundred seventy thousand, two hundred twelve".
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