Base | Representation |
---|---|
bin | 111111111001101… |
… | …1110011010001011 |
3 | 12112102200122220002 |
4 | 1333303132122023 |
5 | 13342403402311 |
6 | 552433353215 |
7 | 104064254630 |
oct | 17763363213 |
9 | 5472618802 |
10 | 2144200331 |
11 | a00388499 |
12 | 4ba10880b |
13 | 2822c54c0 |
14 | 164ab4187 |
15 | c839893b |
hex | 7fcde68b |
2144200331 has 16 divisors (see below), whose sum is σ = 2777913600. Its totient is φ = 1607218848.
The previous prime is 2144200313. The next prime is 2144200403. The reversal of 2144200331 is 1330024412.
It is a cyclic number.
It is not a de Polignac number, because 2144200331 - 222 = 2140006027 is a prime.
It is a super-2 number, since 2×21442003312 = 9195190118921019122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2144200831) 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, 618341 + ... + 621798.
It is an arithmetic number, because the mean of its divisors is an integer number (173619600).
Almost surely, 22144200331 is an apocalyptic number.
2144200331 is a deficient number, since it is larger than the sum of its proper divisors (633713269).
2144200331 is a wasteful number, since it uses less digits than its factorization.
2144200331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1240178.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 2144200331 is about 46305.5108059505. The cubic root of 2144200331 is about 1289.5013057450.
Adding to 2144200331 its reverse (1330024412), we get a palindrome (3474224743).
The spelling of 2144200331 in words is "two billion, one hundred forty-four million, two hundred thousand, three hundred thirty-one".
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