Base | Representation |
---|---|
bin | 1000011010000101111… |
… | …1001010100001110011 |
3 | 111210211111101221122211 |
4 | 2012201133022201303 |
5 | 4331304431102011 |
6 | 150204543312551 |
7 | 13302303062455 |
oct | 2064137124163 |
9 | 453744357584 |
10 | 144443222131 |
11 | 5629248474a |
12 | 23bb18ab757 |
13 | 1080c279310 |
14 | 6dc37982d5 |
15 | 3b55d46b21 |
hex | 21a17ca873 |
144443222131 has 16 divisors (see below), whose sum is σ = 164745898240. Its totient is φ = 125539748640.
The previous prime is 144443222107. The next prime is 144443222137. The reversal of 144443222131 is 131222344441.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 144443222131 - 29 = 144443221619 is a prime.
It is a super-2 number, since 2×1444432221312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 144443222093 and 144443222102.
It is not an unprimeable number, because it can be changed into a prime (144443222137) 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, 1753575 + ... + 1834096.
It is an arithmetic number, because the mean of its divisors is an integer number (10296618640).
Almost surely, 2144443222131 is an apocalyptic number.
144443222131 is a deficient number, since it is larger than the sum of its proper divisors (20302676109).
144443222131 is a wasteful number, since it uses less digits than its factorization.
144443222131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3587866.
The product of its digits is 18432, while the sum is 31.
Adding to 144443222131 its reverse (131222344441), we get a palindrome (275665566572).
The spelling of 144443222131 in words is "one hundred forty-four billion, four hundred forty-three million, two hundred twenty-two thousand, one hundred thirty-one".
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