Base | Representation |
---|---|
bin | 1000011010110010100… |
… | …1101110101110111010 |
3 | 111211022112212202011200 |
4 | 2012230221232232322 |
5 | 4332200404304432 |
6 | 150235314235030 |
7 | 13310036213355 |
oct | 2065451565672 |
9 | 454275782150 |
10 | 144630541242 |
11 | 56379196330 |
12 | 24044585a76 |
13 | 1083c013725 |
14 | 70005d929c |
15 | 3b674e8a7c |
hex | 21aca6ebba |
144630541242 has 48 divisors (see below), whose sum is σ = 343951347168. Its totient is φ = 43558547040.
The previous prime is 144630541241. The next prime is 144630541259. The reversal of 144630541242 is 242145036441.
144630541242 is a `hidden beast` number, since 1 + 4 + 4 + 630 + 5 + 4 + 12 + 4 + 2 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 144630541197 and 144630541206.
It is not an unprimeable number, because it can be changed into a prime (144630541241) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2208393 + ... + 2272940.
It is an arithmetic number, because the mean of its divisors is an integer number (7165653066).
Almost surely, 2144630541242 is an apocalyptic number.
144630541242 is an abundant number, since it is smaller than the sum of its proper divisors (199320805926).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144630541242 is a wasteful number, since it uses less digits than its factorization.
144630541242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4481515 (or 4481512 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 36.
Adding to 144630541242 its reverse (242145036441), we get a palindrome (386775577683).
The spelling of 144630541242 in words is "one hundred forty-four billion, six hundred thirty million, five hundred forty-one thousand, two hundred forty-two".
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