Base | Representation |
---|---|
bin | 1000010110101111001… |
… | …0011011101000000000 |
3 | 111201111201011112021012 |
4 | 2011223302123220000 |
5 | 4322433312200412 |
6 | 145535321420052 |
7 | 13241053305656 |
oct | 2055362335000 |
9 | 451451145235 |
10 | 143542303232 |
11 | 5596a984a79 |
12 | 239a003a628 |
13 | 106c7720603 |
14 | 6d39c7cdd6 |
15 | 3b01bd7c22 |
hex | 216bc9ba00 |
143542303232 has 160 divisors (see below), whose sum is σ = 314538667344. Its totient is φ = 65175552000.
The previous prime is 143542303231. The next prime is 143542303237. The reversal of 143542303232 is 232303245341.
It can be written as a sum of positive squares in 8 ways, for example, as 18067661056 + 125474642176 = 134416^2 + 354224^2 .
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is not an unprimeable number, because it can be changed into a prime (143542303231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28137482 + ... + 28142582.
Almost surely, 2143542303232 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143542303232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157269333672).
143542303232 is an abundant number, since it is smaller than the sum of its proper divisors (170996364112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143542303232 is an equidigital number, since it uses as much as digits as its factorization.
143542303232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5250 (or 5234 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 32.
Adding to 143542303232 its reverse (232303245341), we get a palindrome (375845548573).
The spelling of 143542303232 in words is "one hundred forty-three billion, five hundred forty-two million, three hundred three thousand, two hundred thirty-two".
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