Base | Representation |
---|---|
bin | 11110111000011101101… |
… | …101000101011011100011 |
3 | 21111212210121122222101202 |
4 | 132320131231011123203 |
5 | 234232242310432321 |
6 | 4302533020351415 |
7 | 306216253040423 |
oct | 36703555053343 |
9 | 7455717588352 |
10 | 2122212202211 |
11 | 74903050a1a2 |
12 | 2a33706a556b |
13 | 12517bb6311a |
14 | 74a0392c483 |
15 | 3a30c2b070b |
hex | 1ee1db456e3 |
2122212202211 has 8 divisors (see below), whose sum is σ = 2125033137648. Its totient is φ = 2119392576000.
The previous prime is 2122212202199. The next prime is 2122212202259. The reversal of 2122212202211 is 1122022122212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2122212202211 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2122212202261) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2938391 + ... + 3588671.
It is an arithmetic number, because the mean of its divisors is an integer number (265629142206).
Almost surely, 22122212202211 is an apocalyptic number.
2122212202211 is a deficient number, since it is larger than the sum of its proper divisors (2820935437).
2122212202211 is an equidigital number, since it uses as much as digits as its factorization.
2122212202211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 654613.
The product of its (nonzero) digits is 256, while the sum is 20.
Adding to 2122212202211 its reverse (1122022122212), we get a palindrome (3244234324423).
The spelling of 2122212202211 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, two hundred two thousand, two hundred eleven".
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