Base | Representation |
---|---|
bin | 1000010100111001110… |
… | …0011110000001110000 |
3 | 111200020101211021022002 |
4 | 2011032130132001300 |
5 | 4320431300203030 |
6 | 145414414033132 |
7 | 13222624664642 |
oct | 2051634360160 |
9 | 450211737262 |
10 | 143050006640 |
11 | 55737aaa292 |
12 | 238831a87a8 |
13 | 10649734958 |
14 | 6cd0730892 |
15 | 3ac3892245 |
hex | 214e71e070 |
143050006640 has 40 divisors (see below), whose sum is σ = 333257874000. Its totient is φ = 57105317376.
The previous prime is 143050006609. The next prime is 143050006643. The reversal of 143050006640 is 46600050341.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143050006643) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751789 + ... + 1831628.
It is an arithmetic number, because the mean of its divisors is an integer number (8331446850).
Almost surely, 2143050006640 is an apocalyptic number.
143050006640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
143050006640 is an abundant number, since it is smaller than the sum of its proper divisors (190207867360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143050006640 is a wasteful number, since it uses less digits than its factorization.
143050006640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3583929 (or 3583923 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 29.
Adding to 143050006640 its reverse (46600050341), we get a palindrome (189650056981).
The spelling of 143050006640 in words is "one hundred forty-three billion, fifty million, six thousand, six hundred forty".
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