Base | Representation |
---|---|
bin | 1110100111100… |
… | …11000001000101 |
3 | 22112202021000202 |
4 | 13103303001011 |
5 | 222343131323 |
6 | 20100220245 |
7 | 3016224326 |
oct | 723630105 |
9 | 275667022 |
10 | 122630213 |
11 | 63248992 |
12 | 3509a685 |
13 | 1c538174 |
14 | 1240244d |
15 | ab74d28 |
hex | 74f3045 |
122630213 has 8 divisors (see below), whose sum is σ = 124561920. Its totient is φ = 120712320.
The previous prime is 122630177. The next prime is 122630219. The reversal of 122630213 is 312036221.
It is a happy number.
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 122630213 - 210 = 122629189 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122630219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15218 + ... + 21836.
It is an arithmetic number, because the mean of its divisors is an integer number (15570240).
Almost surely, 2122630213 is an apocalyptic number.
It is an amenable number.
122630213 is a deficient number, since it is larger than the sum of its proper divisors (1931707).
122630213 is an equidigital number, since it uses as much as digits as its factorization.
122630213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6907.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 122630213 is about 11073.8526719476. The cubic root of 122630213 is about 496.8201033875.
Adding to 122630213 its reverse (312036221), we get a palindrome (434666434).
The spelling of 122630213 in words is "one hundred twenty-two million, six hundred thirty thousand, two hundred thirteen".
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