Base | Representation |
---|---|
bin | 1110100011101… |
… | …00101101100101 |
3 | 22111202222100212 |
4 | 13101310231211 |
5 | 222230102434 |
6 | 20041145205 |
7 | 3011641124 |
oct | 721645545 |
9 | 274688325 |
10 | 122112869 |
11 | 62a2522a |
12 | 34a8b205 |
13 | 1c3b6848 |
14 | 12309abb |
15 | aac18ce |
hex | 7474b65 |
122112869 has 2 divisors, whose sum is σ = 122112870. Its totient is φ = 122112868.
The previous prime is 122112847. The next prime is 122112889. The reversal of 122112869 is 968211221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 75463969 + 46648900 = 8687^2 + 6830^2 .
It is a cyclic number.
It is not a de Polignac number, because 122112869 - 216 = 122047333 is a prime.
It is a super-2 number, since 2×1221128692 = 29823105550822322, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122112889) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61056434 + 61056435.
It is an arithmetic number, because the mean of its divisors is an integer number (61056435).
Almost surely, 2122112869 is an apocalyptic number.
It is an amenable number.
122112869 is a deficient number, since it is larger than the sum of its proper divisors (1).
122112869 is an equidigital number, since it uses as much as digits as its factorization.
122112869 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3456, while the sum is 32.
The square root of 122112869 is about 11050.4691755599. The cubic root of 122112869 is about 496.1204683211.
The spelling of 122112869 in words is "one hundred twenty-two million, one hundred twelve thousand, eight hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •