Base | Representation |
---|---|
bin | 11000011110101011… |
… | …01000010001111111 |
3 | 1020220220102110112120 |
4 | 30033111220101333 |
5 | 203403402331033 |
6 | 10012031334023 |
7 | 643451053530 |
oct | 141725502177 |
9 | 36826373476 |
10 | 13142230143 |
11 | 56344a0029 |
12 | 2669381313 |
13 | 13159b0153 |
14 | 8c95d0687 |
15 | 51db991b3 |
hex | 30f56847f |
13142230143 has 16 divisors (see below), whose sum is σ = 20308317696. Its totient is φ = 7404072480.
The previous prime is 13142230141. The next prime is 13142230147. The reversal of 13142230143 is 34103224131.
It is a happy number.
It is not a de Polignac number, because 13142230143 - 21 = 13142230141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13142230141) 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, 4405696 + ... + 4408677.
It is an arithmetic number, because the mean of its divisors is an integer number (1269269856).
Almost surely, 213142230143 is an apocalyptic number.
13142230143 is a deficient number, since it is larger than the sum of its proper divisors (7166087553).
13142230143 is an equidigital number, since it uses as much as digits as its factorization.
13142230143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8814454.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 13142230143 its reverse (34103224131), we get a palindrome (47245454274).
The spelling of 13142230143 in words is "thirteen billion, one hundred forty-two million, two hundred thirty thousand, one hundred forty-three".
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