Base | Representation |
---|---|
bin | 111001000000011100… |
… | …0101000010101111100 |
3 | 102200222202111011000110 |
4 | 1302000320220111330 |
5 | 4001204340210434 |
6 | 132123431430020 |
7 | 11562500562144 |
oct | 1620070502574 |
9 | 380882434013 |
10 | 122421413244 |
11 | 47a11772799 |
12 | 1b886825310 |
13 | b70ca5c780 |
14 | 5cd4b7b924 |
15 | 32b785b4e9 |
hex | 1c80e2857c |
122421413244 has 48 divisors (see below), whose sum is σ = 323813732480. Its totient is φ = 35685593280.
The previous prime is 122421413237. The next prime is 122421413249. The reversal of 122421413244 is 442314124221.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122421413249) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20648422 + ... + 20654349.
Almost surely, 2122421413244 is an apocalyptic number.
It is an amenable number.
122421413244 is an abundant number, since it is smaller than the sum of its proper divisors (201392319236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122421413244 is a wasteful number, since it uses less digits than its factorization.
122421413244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41302810 (or 41302808 counting only the distinct ones).
The product of its digits is 12288, while the sum is 30.
Adding to 122421413244 its reverse (442314124221), we get a palindrome (564735537465).
The spelling of 122421413244 in words is "one hundred twenty-two billion, four hundred twenty-one million, four hundred thirteen thousand, two hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •