Base | Representation |
---|---|
bin | 1000010001111000101… |
… | …0111110101000011110 |
3 | 111121010221212112010221 |
4 | 2010132022332220132 |
5 | 4312301432141410 |
6 | 145202203151554 |
7 | 13163562013333 |
oct | 2043612765036 |
9 | 447127775127 |
10 | 142240115230 |
11 | 55361922944 |
12 | 23697b155ba |
13 | 1054a9ca775 |
14 | 6c54d4c98a |
15 | 3a777144da |
hex | 211e2bea1e |
142240115230 has 32 divisors (see below), whose sum is σ = 256626610560. Its totient is φ = 56764091040.
The previous prime is 142240115221. The next prime is 142240115233. The reversal of 142240115230 is 32511042241.
142240115230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 142240115195 and 142240115204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142240115233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9717177 + ... + 9731803.
It is an arithmetic number, because the mean of its divisors is an integer number (8019581580).
Almost surely, 2142240115230 is an apocalyptic number.
142240115230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142240115230 is a deficient number, since it is larger than the sum of its proper divisors (114386495330).
142240115230 is a wasteful number, since it uses less digits than its factorization.
142240115230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16824.
The product of its (nonzero) digits is 1920, while the sum is 25.
Adding to 142240115230 its reverse (32511042241), we get a palindrome (174751157471).
The spelling of 142240115230 in words is "one hundred forty-two billion, two hundred forty million, one hundred fifteen thousand, two hundred thirty".
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