Base | Representation |
---|---|
bin | 100000011101111111010… |
… | …001001010011001111010 |
3 | 21220022011210011001212000 |
4 | 200131333101022121322 |
5 | 243024021121411442 |
6 | 4425002041201430 |
7 | 320125535356233 |
oct | 40357721123172 |
9 | 7808153131760 |
10 | 2231223232122 |
11 | 79029038a455 |
12 | 300514190276 |
13 | 1325324b5411 |
14 | 79dc563608a |
15 | 3d08c654d4c |
hex | 2077f44a67a |
2231223232122 has 32 divisors (see below), whose sum is σ = 5063769043200. Its totient is φ = 727916798304.
The previous prime is 2231223232099. The next prime is 2231223232159. The reversal of 2231223232122 is 2212323221322.
2231223232122 is a `hidden beast` number, since 2 + 2 + 3 + 122 + 323 + 212 + 2 = 666.
It is a super-3 number, since 3×22312232321223 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439560747 + ... + 439565822.
It is an arithmetic number, because the mean of its divisors is an integer number (158242782600).
Almost surely, 22231223232122 is an apocalyptic number.
2231223232122 is an abundant number, since it is smaller than the sum of its proper divisors (2832545811078).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231223232122 is a wasteful number, since it uses less digits than its factorization.
2231223232122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 879126627 (or 879126621 counting only the distinct ones).
The product of its digits is 6912, while the sum is 27.
Adding to 2231223232122 its reverse (2212323221322), we get a palindrome (4443546453444).
The spelling of 2231223232122 in words is "two trillion, two hundred thirty-one billion, two hundred twenty-three million, two hundred thirty-two thousand, one hundred twenty-two".
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