Base | Representation |
---|---|
bin | 1000010100110010101… |
… | …1001010000000001001 |
3 | 111200011022221010200000 |
4 | 2011030223022000021 |
5 | 4320401144133340 |
6 | 145411433233213 |
7 | 13222114340334 |
oct | 2051453120011 |
9 | 450138833600 |
10 | 143020302345 |
11 | 55722260a88 |
12 | 23875262809 |
13 | 1064353444b |
14 | 6cca7db61b |
15 | 3ac0e75d30 |
hex | 214caca009 |
143020302345 has 96 divisors (see below), whose sum is σ = 269444448000. Its totient is φ = 72639224064.
The previous prime is 143020302343. The next prime is 143020302361. The reversal of 143020302345 is 543203020341.
143020302345 is a `hidden beast` number, since 1 + 430 + 203 + 0 + 23 + 4 + 5 = 666.
It is not a de Polignac number, because 143020302345 - 21 = 143020302343 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (143020302343) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6388231 + ... + 6410579.
It is an arithmetic number, because the mean of its divisors is an integer number (2806713000).
Almost surely, 2143020302345 is an apocalyptic number.
143020302345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
143020302345 is a deficient number, since it is larger than the sum of its proper divisors (126424145655).
143020302345 is a wasteful number, since it uses less digits than its factorization.
143020302345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22621 (or 22609 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 27.
Adding to 143020302345 its reverse (543203020341), we get a palindrome (686223322686).
The spelling of 143020302345 in words is "one hundred forty-three billion, twenty million, three hundred two thousand, three hundred forty-five".
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