Base | Representation |
---|---|
bin | 111111111001101… |
… | …0011001000010100 |
3 | 12112102121022112000 |
4 | 1333303103020110 |
5 | 13342400413012 |
6 | 552432355300 |
7 | 104064003141 |
oct | 17763231024 |
9 | 5472538460 |
10 | 2144154132 |
11 | a0035680a |
12 | 4ba0a5b30 |
13 | 2822aa473 |
14 | 164aa13c8 |
15 | c8389ddc |
hex | 7fcd3214 |
2144154132 has 24 divisors (see below), whose sum is σ = 5558918400. Its totient is φ = 714718008.
The previous prime is 2144154119. The next prime is 2144154137. The reversal of 2144154132 is 2314514412.
2144154132 is a `hidden beast` number, since 214 + 415 + 4 + 1 + 32 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 2144154096 and 2144154105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2144154137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9926532 + ... + 9926747.
It is an arithmetic number, because the mean of its divisors is an integer number (231621600).
Almost surely, 22144154132 is an apocalyptic number.
It is an amenable number.
2144154132 is an abundant number, since it is smaller than the sum of its proper divisors (3414764268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2144154132 is a wasteful number, since it uses less digits than its factorization.
2144154132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19853292 (or 19853284 counting only the distinct ones).
The product of its digits is 3840, while the sum is 27.
The square root of 2144154132 is about 46305.0119533512. The cubic root of 2144154132 is about 1289.4920444681.
Adding to 2144154132 its reverse (2314514412), we get a palindrome (4458668544).
The spelling of 2144154132 in words is "two billion, one hundred forty-four million, one hundred fifty-four thousand, one hundred thirty-two".
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