Base | Representation |
---|---|
bin | 1000010100110101000… |
… | …1000100011111010010 |
3 | 111200012000122002021000 |
4 | 2011031101010133102 |
5 | 4320411220204414 |
6 | 145412430242430 |
7 | 13222264663566 |
oct | 2051521043722 |
9 | 450160562230 |
10 | 143030241234 |
11 | 5572792a241 |
12 | 23878656416 |
13 | 1064560424a |
14 | 6ccbc676a6 |
15 | 3ac1c8ab09 |
hex | 214d4447d2 |
143030241234 has 128 divisors (see below), whose sum is σ = 344265292800. Its totient is φ = 43845580800.
The previous prime is 143030241223. The next prime is 143030241239. The reversal of 143030241234 is 432142030341.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 143030241198 and 143030241207.
It is not an unprimeable number, because it can be changed into a prime (143030241239) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30242982 + ... + 30247710.
It is an arithmetic number, because the mean of its divisors is an integer number (2689572600).
Almost surely, 2143030241234 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143030241234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172132646400).
143030241234 is an abundant number, since it is smaller than the sum of its proper divisors (201235051566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143030241234 is a wasteful number, since it uses less digits than its factorization.
143030241234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5505 (or 5499 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 143030241234 its reverse (432142030341), we get a palindrome (575172271575).
The spelling of 143030241234 in words is "one hundred forty-three billion, thirty million, two hundred forty-one thousand, two hundred thirty-four".
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