Base | Representation |
---|---|
bin | 111100101100001010… |
… | …1011110001001110101 |
3 | 110110101222211221110020 |
4 | 1321120111132021311 |
5 | 4113404221324141 |
6 | 135512342315353 |
7 | 12262503403416 |
oct | 1713025361165 |
9 | 413358757406 |
10 | 130331042421 |
11 | 50300526208 |
12 | 21313728b59 |
13 | c3a0650c18 |
14 | 644543d80d |
15 | 35cbe55266 |
hex | 1e5855e275 |
130331042421 has 16 divisors (see below), whose sum is σ = 176796172800. Its totient is φ = 85377905648.
The previous prime is 130331042411. The next prime is 130331042423. The reversal of 130331042421 is 124240133031.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 130331042421 - 214 = 130331026037 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130331042391 and 130331042400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130331042423) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256600 + ... + 571406.
It is an arithmetic number, because the mean of its divisors is an integer number (11049760800).
Almost surely, 2130331042421 is an apocalyptic number.
It is an amenable number.
130331042421 is a deficient number, since it is larger than the sum of its proper divisors (46465130379).
130331042421 is a wasteful number, since it uses less digits than its factorization.
130331042421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 317208.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 130331042421 its reverse (124240133031), we get a palindrome (254571175452).
The spelling of 130331042421 in words is "one hundred thirty billion, three hundred thirty-one million, forty-two thousand, four hundred twenty-one".
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