Base | Representation |
---|---|
bin | 100010010101101… |
… | …1010101011001101 |
3 | 2222022010110100111 |
4 | 1010223122223031 |
5 | 4324432412031 |
6 | 310200200021 |
7 | 40360545244 |
oct | 10453325315 |
9 | 2868113314 |
10 | 1152232141 |
11 | 541450075 |
12 | 281a69011 |
13 | 15493b088 |
14 | ad05795b |
15 | 6b2521b1 |
hex | 44adaacd |
1152232141 has 2 divisors, whose sum is σ = 1152232142. Its totient is φ = 1152232140.
The previous prime is 1152232051. The next prime is 1152232163. The reversal of 1152232141 is 1412322511.
It is an a-pointer prime, because the next prime (1152232163) can be obtained adding 1152232141 to its sum of digits (22).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1139062500 + 13169641 = 33750^2 + 3629^2 .
It is an emirp because it is prime and its reverse (1412322511) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1152232141 - 221 = 1150134989 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1152232241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576116070 + 576116071.
It is an arithmetic number, because the mean of its divisors is an integer number (576116071).
Almost surely, 21152232141 is an apocalyptic number.
It is an amenable number.
1152232141 is a deficient number, since it is larger than the sum of its proper divisors (1).
1152232141 is an equidigital number, since it uses as much as digits as its factorization.
1152232141 is an evil number, because the sum of its binary digits is even.
The product of its digits is 480, while the sum is 22.
The square root of 1152232141 is about 33944.5450845935. The cubic root of 1152232141 is about 1048.3669674830.
Adding to 1152232141 its reverse (1412322511), we get a palindrome (2564554652).
The spelling of 1152232141 in words is "one billion, one hundred fifty-two million, two hundred thirty-two thousand, one hundred forty-one".
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