Base | Representation |
---|---|
bin | 100110110011100… |
… | …1110110101111010 |
3 | 10100202012001121121 |
4 | 1031213032311322 |
5 | 10131321130132 |
6 | 333113055454 |
7 | 44160631333 |
oct | 11547166572 |
9 | 3322161547 |
10 | 1302130042 |
11 | 609022634 |
12 | 3040b758a |
13 | 179a02665 |
14 | c4d1728a |
15 | 794b1497 |
hex | 4d9ced7a |
1302130042 has 16 divisors (see below), whose sum is σ = 2003807520. Its totient is φ = 634272912.
The previous prime is 1302130031. The next prime is 1302130051. The reversal of 1302130042 is 2400312031.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1302129998 and 1302130025.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 13993 + ... + 52915.
It is an arithmetic number, because the mean of its divisors is an integer number (125237970).
Almost surely, 21302130042 is an apocalyptic number.
1302130042 is a deficient number, since it is larger than the sum of its proper divisors (701677478).
1302130042 is a wasteful number, since it uses less digits than its factorization.
1302130042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39357.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1302130042 is about 36085.0390328180. The cubic root of 1302130042 is about 1091.9886379734.
Adding to 1302130042 its reverse (2400312031), we get a palindrome (3702442073).
The spelling of 1302130042 in words is "one billion, three hundred two million, one hundred thirty thousand, forty-two".
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