Base | Representation |
---|---|
bin | 1110100100100… |
… | …01101000100010 |
3 | 22111222222212022 |
4 | 13102101220202 |
5 | 222242400310 |
6 | 20043501442 |
7 | 3012643364 |
oct | 722215042 |
9 | 274888768 |
10 | 122231330 |
11 | 62aa6231 |
12 | 34b27882 |
13 | 1c428740 |
14 | 1233ad34 |
15 | aae6a55 |
hex | 7491a22 |
122231330 has 16 divisors (see below), whose sum is σ = 236940984. Its totient is φ = 45131520.
The previous prime is 122231323. The next prime is 122231353. The reversal of 122231330 is 33132221.
It can be written as a sum of positive squares in 4 ways, for example, as 32341969 + 89889361 = 5687^2 + 9481^2 .
It is a junction number, because it is equal to n+sod(n) for n = 122231299 and 122231308.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469991 + ... + 470250.
Almost surely, 2122231330 is an apocalyptic number.
122231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122231330 is a deficient number, since it is larger than the sum of its proper divisors (114709654).
122231330 is a wasteful number, since it uses less digits than its factorization.
122231330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 940261.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 122231330 is about 11055.8278749264. The cubic root of 122231330 is about 496.2808443543.
Adding to 122231330 its reverse (33132221), we get a palindrome (155363551).
The spelling of 122231330 in words is "one hundred twenty-two million, two hundred thirty-one thousand, three hundred thirty".
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