Base | Representation |
---|---|
bin | 1110100011101… |
… | …00110010111011 |
3 | 22111202222211112 |
4 | 13101310302323 |
5 | 222230110321 |
6 | 20041150535 |
7 | 3011642123 |
oct | 721646273 |
9 | 274688745 |
10 | 122113211 |
11 | 62a25510 |
12 | 34a8b44b |
13 | 1c3b6a4c |
14 | 12309c83 |
15 | aac1a5b |
hex | 7474cbb |
122113211 has 8 divisors (see below), whose sum is σ = 136464048. Its totient is φ = 108304000.
The previous prime is 122113207. The next prime is 122113213. The reversal of 122113211 is 112311221.
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 122113211 - 22 = 122113207 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122113213) 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, 134930 + ... + 135831.
It is an arithmetic number, because the mean of its divisors is an integer number (17058006).
Almost surely, 2122113211 is an apocalyptic number.
122113211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
122113211 is a deficient number, since it is larger than the sum of its proper divisors (14350837).
122113211 is a wasteful number, since it uses less digits than its factorization.
122113211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270813.
The product of its digits is 24, while the sum is 14.
The square root of 122113211 is about 11050.4846500052. The cubic root of 122113211 is about 496.1209314802.
Adding to 122113211 its reverse (112311221), we get a palindrome (234424432).
The spelling of 122113211 in words is "one hundred twenty-two million, one hundred thirteen thousand, two hundred eleven".
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