Base | Representation |
---|---|
bin | 111011001101001100… |
… | …0011101000010001111 |
3 | 110011011220011012100021 |
4 | 1312122120131002033 |
5 | 4040342400400411 |
6 | 134224220243011 |
7 | 12120515320324 |
oct | 1663230350217 |
9 | 404156135307 |
10 | 127144153231 |
11 | 49a15618197 |
12 | 207843a0467 |
13 | bcb3322b84 |
14 | 62220a8b4b |
15 | 3492296a71 |
hex | 1d9a61d08f |
127144153231 has 2 divisors, whose sum is σ = 127144153232. Its totient is φ = 127144153230.
The previous prime is 127144153223. The next prime is 127144153237. The reversal of 127144153231 is 132351441721.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 127144153231 - 23 = 127144153223 is a prime.
It is a super-2 number, since 2×1271441532312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (127144153237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63572076615 + 63572076616.
It is an arithmetic number, because the mean of its divisors is an integer number (63572076616).
Almost surely, 2127144153231 is an apocalyptic number.
127144153231 is a deficient number, since it is larger than the sum of its proper divisors (1).
127144153231 is an equidigital number, since it uses as much as digits as its factorization.
127144153231 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 20160, while the sum is 34.
Adding to 127144153231 its reverse (132351441721), we get a palindrome (259495594952).
The spelling of 127144153231 in words is "one hundred twenty-seven billion, one hundred forty-four million, one hundred fifty-three thousand, two hundred thirty-one".
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