Base | Representation |
---|---|
bin | 11100011010101111… |
… | …011101110000000011 |
3 | 2220202112101102000101 |
4 | 130122233131300003 |
5 | 444442413440230 |
6 | 22003452303231 |
7 | 2130102541666 |
oct | 343257356003 |
9 | 86675342011 |
10 | 30513421315 |
11 | 11a39038073 |
12 | 5ab6a71b17 |
13 | 2b538690b0 |
14 | 16966d56dd |
15 | bd8c43aca |
hex | 71abddc03 |
30513421315 has 8 divisors (see below), whose sum is σ = 39432729168. Its totient is φ = 22532988000.
The previous prime is 30513421313. The next prime is 30513421321. The reversal of 30513421315 is 51312431503.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30513421315 - 21 = 30513421313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30513421313) 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 7 ways as a sum of consecutive naturals, for example, 234718561 + ... + 234718690.
It is an arithmetic number, because the mean of its divisors is an integer number (4929091146).
Almost surely, 230513421315 is an apocalyptic number.
30513421315 is a deficient number, since it is larger than the sum of its proper divisors (8919307853).
30513421315 is a wasteful number, since it uses less digits than its factorization.
30513421315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 469437269.
The product of its (nonzero) digits is 5400, while the sum is 28.
Adding to 30513421315 its reverse (51312431503), we get a palindrome (81825852818).
The spelling of 30513421315 in words is "thirty billion, five hundred thirteen million, four hundred twenty-one thousand, three hundred fifteen".
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