Base | Representation |
---|---|
bin | 1110100010110… |
… | …11111001001011 |
3 | 22111120210220202 |
4 | 13101123321023 |
5 | 222213324321 |
6 | 20035042415 |
7 | 3011035550 |
oct | 721337113 |
9 | 274523822 |
10 | 122011211 |
11 | 62965913 |
12 | 34a4040b |
13 | 1c37c4aa |
14 | 122c0a27 |
15 | aaa170b |
hex | 745be4b |
122011211 has 8 divisors (see below), whose sum is σ = 139526400. Its totient is φ = 104517288.
The previous prime is 122011181. The next prime is 122011213. The reversal of 122011211 is 112110221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122011211 - 26 = 122011147 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122011192 and 122011201.
It is not an unprimeable number, because it can be changed into a prime (122011213) 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, 9890 + ... + 18488.
It is an arithmetic number, because the mean of its divisors is an integer number (17440800).
Almost surely, 2122011211 is an apocalyptic number.
122011211 is a deficient number, since it is larger than the sum of its proper divisors (17515189).
122011211 is an equidigital number, since it uses as much as digits as its factorization.
122011211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10633.
The product of its (nonzero) digits is 8, while the sum is 11.
The square root of 122011211 is about 11045.8685036533. The cubic root of 122011211 is about 495.9827579746.
Adding to 122011211 its reverse (112110221), we get a palindrome (234121432).
The spelling of 122011211 in words is "one hundred twenty-two million, eleven thousand, two hundred eleven".
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