Base | Representation |
---|---|
bin | 11100100001001010… |
… | …111111101001000001 |
3 | 2221001001101021112212 |
4 | 130201022333221001 |
5 | 1000203023120223 |
6 | 22022304431505 |
7 | 2132552523641 |
oct | 344112775101 |
9 | 87031337485 |
10 | 30621301313 |
11 | 11a93a20999 |
12 | 5b27018595 |
13 | 2b7000b505 |
14 | 16a6b78521 |
15 | be3453278 |
hex | 7212bfa41 |
30621301313 has 8 divisors (see below), whose sum is σ = 31566890400. Its totient is φ = 29689931808.
The previous prime is 30621301307. The next prime is 30621301387. The reversal of 30621301313 is 31310312603.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30621301313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30621301013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3550523 + ... + 3559136.
It is an arithmetic number, because the mean of its divisors is an integer number (3945861300).
Almost surely, 230621301313 is an apocalyptic number.
It is an amenable number.
30621301313 is a deficient number, since it is larger than the sum of its proper divisors (945589087).
30621301313 is an equidigital number, since it uses as much as digits as its factorization.
30621301313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7109791.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 30621301313 its reverse (31310312603), we get a palindrome (61931613916).
The spelling of 30621301313 in words is "thirty billion, six hundred twenty-one million, three hundred one thousand, three hundred thirteen".
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