Base | Representation |
---|---|
bin | 1001001111001010010010… |
… | …11011101010101010110100 |
3 | 2122220211011102111212102100 |
4 | 10213211021123222222310 |
5 | 10130243221334112322 |
6 | 111111133105142100 |
7 | 4164334401044220 |
oct | 447451133525264 |
9 | 78824142455370 |
10 | 20312132332212 |
11 | 6521366190076 |
12 | 234076402a930 |
13 | b4456c7cb336 |
14 | 5031807c7780 |
15 | 253572704dac |
hex | 1279496eaab4 |
20312132332212 has 36 divisors (see below), whose sum is σ = 58679493404896. Its totient is φ = 5803466380560.
The previous prime is 20312132332199. The next prime is 20312132332243. The reversal of 20312132332212 is 21223323121302.
20312132332212 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 2 + 1 + 323 + 322 + 12 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is an unprimeable number.
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, 40301849614 + ... + 40301850117.
Almost surely, 220312132332212 is an apocalyptic number.
It is an amenable number.
20312132332212 is an abundant number, since it is smaller than the sum of its proper divisors (38367361072684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20312132332212 is a wasteful number, since it uses less digits than its factorization.
20312132332212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80603699748 (or 80603699743 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
Adding to 20312132332212 its reverse (21223323121302), we get a palindrome (41535455453514).
The spelling of 20312132332212 in words is "twenty trillion, three hundred twelve billion, one hundred thirty-two million, three hundred thirty-two thousand, two hundred twelve".
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