Base | Representation |
---|---|
bin | 1000010101110011110… |
… | …0000110011000111010 |
3 | 111200212100101201200110 |
4 | 2011130330012120322 |
5 | 4321431023220300 |
6 | 145454502045150 |
7 | 13231636633401 |
oct | 2053474063072 |
9 | 450770351613 |
10 | 143293179450 |
11 | 5585229a653 |
12 | 239307197b6 |
13 | 10687c269a5 |
14 | 6d14b50638 |
15 | 3ad9dc8550 |
hex | 215cf0663a |
143293179450 has 48 divisors (see below), whose sum is σ = 356005294560. Its totient is φ = 38142889920.
The previous prime is 143293179443. The next prime is 143293179461. The reversal of 143293179450 is 54971392341.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 143293179450.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 773980 + ... + 941079.
It is an arithmetic number, because the mean of its divisors is an integer number (7416776970).
Almost surely, 2143293179450 is an apocalyptic number.
143293179450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
143293179450 is an abundant number, since it is smaller than the sum of its proper divisors (212712115110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143293179450 is a wasteful number, since it uses less digits than its factorization.
143293179450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1715631 (or 1715626 counting only the distinct ones).
The product of its (nonzero) digits is 816480, while the sum is 48.
The spelling of 143293179450 in words is "one hundred forty-three billion, two hundred ninety-three million, one hundred seventy-nine thousand, four hundred fifty".
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