Base | Representation |
---|---|
bin | 111100101111011110… |
… | …1111101110101010101 |
3 | 110110200202020111021212 |
4 | 1321132331331311111 |
5 | 4114121213234422 |
6 | 135531355351205 |
7 | 12265324302434 |
oct | 1713675756525 |
9 | 413622214255 |
10 | 130442321237 |
11 | 50358320678 |
12 | 21344a52505 |
13 | c3ba713387 |
14 | 645612911b |
15 | 35d6ad69e2 |
hex | 1e5ef7dd55 |
130442321237 has 2 divisors, whose sum is σ = 130442321238. Its totient is φ = 130442321236.
The previous prime is 130442321197. The next prime is 130442321287. The reversal of 130442321237 is 732123244031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 105374248996 + 25068072241 = 324614^2 + 158329^2 .
It is a cyclic number.
It is not a de Polignac number, because 130442321237 - 212 = 130442317141 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130442321287) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65221160618 + 65221160619.
It is an arithmetic number, because the mean of its divisors is an integer number (65221160619).
Almost surely, 2130442321237 is an apocalyptic number.
It is an amenable number.
130442321237 is a deficient number, since it is larger than the sum of its proper divisors (1).
130442321237 is an equidigital number, since it uses as much as digits as its factorization.
130442321237 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24192, while the sum is 32.
Adding to 130442321237 its reverse (732123244031), we get a palindrome (862565565268).
The spelling of 130442321237 in words is "one hundred thirty billion, four hundred forty-two million, three hundred twenty-one thousand, two hundred thirty-seven".
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