Base | Representation |
---|---|
bin | 1110100110001… |
… | …01110011010100 |
3 | 22112101211222110 |
4 | 13103011303110 |
5 | 222321220022 |
6 | 20052231020 |
7 | 3014523354 |
oct | 723056324 |
9 | 275354873 |
10 | 122445012 |
11 | 63131828 |
12 | 3500b470 |
13 | 1c4a1a91 |
14 | 12394b64 |
15 | ab3a00c |
hex | 74c5cd4 |
122445012 has 24 divisors (see below), whose sum is σ = 286203456. Its totient is φ = 40743808.
The previous prime is 122445007. The next prime is 122445013. The reversal of 122445012 is 210544221.
It is a self number, because there is not a number n which added to its sum of digits gives 122445012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122445013) 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, 1488 + ... + 15719.
It is an arithmetic number, because the mean of its divisors is an integer number (11925144).
Almost surely, 2122445012 is an apocalyptic number.
122445012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
122445012 is an abundant number, since it is smaller than the sum of its proper divisors (163758444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122445012 is a wasteful number, since it uses less digits than its factorization.
122445012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17807 (or 17805 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 21.
The square root of 122445012 is about 11065.4874271313. The cubic root of 122445012 is about 496.5698715823.
Adding to 122445012 its reverse (210544221), we get a palindrome (332989233).
The spelling of 122445012 in words is "one hundred twenty-two million, four hundred forty-five thousand, twelve".
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