Base | Representation |
---|---|
bin | 111001000000011010… |
… | …0111011110100011100 |
3 | 102200222200122221001222 |
4 | 1302000310323310130 |
5 | 4001204113210234 |
6 | 132123354552512 |
7 | 11562456415514 |
oct | 1620064736434 |
9 | 380880587058 |
10 | 122420444444 |
11 | 47a11170931 |
12 | 1b886438738 |
13 | b70c7b080c |
14 | 5cd49a8844 |
15 | 32b771942e |
hex | 1c80d3bd1c |
122420444444 has 12 divisors (see below), whose sum is σ = 221623218600. Its totient is φ = 59099524848.
The previous prime is 122420444431. The next prime is 122420444449. The reversal of 122420444444 is 444444024221.
122420444444 is a modest number, since divided by 444444 gives 122420 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122420444449) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527674214 + ... + 527674445.
It is an arithmetic number, because the mean of its divisors is an integer number (18468601550).
Almost surely, 2122420444444 is an apocalyptic number.
It is an amenable number.
122420444444 is a deficient number, since it is larger than the sum of its proper divisors (99202774156).
122420444444 is a wasteful number, since it uses less digits than its factorization.
122420444444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1055348692 (or 1055348690 counting only the distinct ones).
The product of its (nonzero) digits is 131072, while the sum is 35.
Adding to 122420444444 its reverse (444444024221), we get a palindrome (566864468665).
The spelling of 122420444444 in words is "one hundred twenty-two billion, four hundred twenty million, four hundred forty-four thousand, four hundred forty-four".
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