Base | Representation |
---|---|
bin | 100000001100010010001… |
… | …011000111011001010101 |
3 | 21211111002221011022211200 |
4 | 200030102023013121111 |
5 | 242221103020424310 |
6 | 4412135431223113 |
7 | 315553462522350 |
oct | 40142213073125 |
9 | 7744087138750 |
10 | 2212213061205 |
11 | 7832156676a4 |
12 | 2b88a9817a99 |
13 | 1307c2bc6384 |
14 | 791009b1297 |
15 | 3c82875b9c0 |
hex | 203122c7655 |
2212213061205 has 48 divisors (see below), whose sum is σ = 4400624816640. Its totient is φ = 1007065995264.
The previous prime is 2212213061161. The next prime is 2212213061209. The reversal of 2212213061205 is 5021603122122.
2212213061205 is a `hidden beast` number, since 2 + 2 + 12 + 2 + 1 + 30 + 612 + 0 + 5 = 666.
It is not a de Polignac number, because 2212213061205 - 227 = 2212078843477 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2212213061209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14616972 + ... + 14767541.
It is an arithmetic number, because the mean of its divisors is an integer number (91679683680).
Almost surely, 22212213061205 is an apocalyptic number.
It is an amenable number.
2212213061205 is a deficient number, since it is larger than the sum of its proper divisors (2188411755435).
2212213061205 is a wasteful number, since it uses less digits than its factorization.
2212213061205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29384770 (or 29384767 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
Adding to 2212213061205 its reverse (5021603122122), we get a palindrome (7233816183327).
The spelling of 2212213061205 in words is "two trillion, two hundred twelve billion, two hundred thirteen million, sixty-one thousand, two hundred five".
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