Base | Representation |
---|---|
bin | 100111101010101… |
… | …1111010000110111 |
3 | 10102202120111012211 |
4 | 1033111133100313 |
5 | 10211221030033 |
6 | 340024354251 |
7 | 44661411046 |
oct | 11725372067 |
9 | 3382514184 |
10 | 1331033143 |
11 | 6233739a0 |
12 | 311915987 |
13 | 1829b229b |
14 | c8abc55d |
15 | 7bcc02cd |
hex | 4f55f437 |
1331033143 has 16 divisors (see below), whose sum is σ = 1535450112. Its totient is φ = 1142424000.
The previous prime is 1331033129. The next prime is 1331033167. The reversal of 1331033143 is 3413301331.
It is not a de Polignac number, because 1331033143 - 213 = 1331024951 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1331033113) 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 in 15 ways as a sum of consecutive naturals, for example, 33621 + ... + 61582.
It is an arithmetic number, because the mean of its divisors is an integer number (95965632).
Almost surely, 21331033143 is an apocalyptic number.
1331033143 is a deficient number, since it is larger than the sum of its proper divisors (204416969).
1331033143 is a wasteful number, since it uses less digits than its factorization.
1331033143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95286.
The product of its (nonzero) digits is 972, while the sum is 22.
The square root of 1331033143 is about 36483.3269179224. The cubic root of 1331033143 is about 1100.0091302272.
Adding to 1331033143 its reverse (3413301331), we get a palindrome (4744334474).
The spelling of 1331033143 in words is "one billion, three hundred thirty-one million, thirty-three thousand, one hundred forty-three".
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