Base | Representation |
---|---|
bin | 1110100011101… |
… | …10110010000000 |
3 | 22111210101222202 |
4 | 13101312302000 |
5 | 222230340334 |
6 | 20041252332 |
7 | 3012004622 |
oct | 721666200 |
9 | 274711882 |
10 | 122121344 |
11 | 62a30634 |
12 | 34a940a8 |
13 | 1c3ba667 |
14 | 1230cc12 |
15 | aac417e |
hex | 7476c80 |
122121344 has 32 divisors (see below), whose sum is σ = 245179440. Its totient is φ = 60586240.
The previous prime is 122121323. The next prime is 122121359. The reversal of 122121344 is 443121221.
It is a tau number, because it is divible by the number of its divisors (32).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13127 + ... + 20409.
Almost surely, 2122121344 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122121344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122589720).
122121344 is an abundant number, since it is smaller than the sum of its proper divisors (123058096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122121344 is an equidigital number, since it uses as much as digits as its factorization.
122121344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7428 (or 7416 counting only the distinct ones).
The product of its digits is 384, while the sum is 20.
The square root of 122121344 is about 11050.8526367878. The cubic root of 122121344 is about 496.1319454727.
Adding to 122121344 its reverse (443121221), we get a palindrome (565242565).
The spelling of 122121344 in words is "one hundred twenty-two million, one hundred twenty-one thousand, three hundred forty-four".
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