Base | Representation |
---|---|
bin | 10110100111101011… |
… | …01100001111100110 |
3 | 1011100100002012222200 |
4 | 23103311230033212 |
5 | 144332331031042 |
6 | 5325012035330 |
7 | 606640212465 |
oct | 132365541746 |
9 | 34310065880 |
10 | 12144002022 |
11 | 5171a77509 |
12 | 242b002b46 |
13 | 11b6c43619 |
14 | 832bc49dc |
15 | 4b1217c4c |
hex | 2d3d6c3e6 |
12144002022 has 48 divisors (see below), whose sum is σ = 26932269312. Its totient is φ = 3953643120.
The previous prime is 12144002021. The next prime is 12144002023. The reversal of 12144002022 is 22020044121.
12144002022 is a `hidden beast` number, since 1 + 21 + 440 + 0 + 202 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (12144002021) and next prime (12144002023).
It is a super-2 number, since 2×121440020222 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 12144001986 and 12144002004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12144002021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92343 + ... + 181149.
It is an arithmetic number, because the mean of its divisors is an integer number (561088944).
Almost surely, 212144002022 is an apocalyptic number.
12144002022 is an abundant number, since it is smaller than the sum of its proper divisors (14788267290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12144002022 is a wasteful number, since it uses less digits than its factorization.
12144002022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88993 (or 88990 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 12144002022 its reverse (22020044121), we get a palindrome (34164046143).
The spelling of 12144002022 in words is "twelve billion, one hundred forty-four million, two thousand, twenty-two".
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