Base | Representation |
---|---|
bin | 11100001110100111… |
… | …111011111000101001 |
3 | 2220020100211200102010 |
4 | 130032213323320221 |
5 | 444033342333001 |
6 | 21531351030133 |
7 | 2122053530466 |
oct | 341647737051 |
9 | 86210750363 |
10 | 30310121001 |
11 | 11944300586 |
12 | 5a5a96b349 |
13 | 2b206c7854 |
14 | 16776d466d |
15 | bc5e868d6 |
hex | 70e9fbe29 |
30310121001 has 24 divisors (see below), whose sum is σ = 41042052480. Its totient is φ = 19897197696.
The previous prime is 30310120999. The next prime is 30310121011. The reversal of 30310121001 is 10012101303.
It is not a de Polignac number, because 30310121001 - 21 = 30310120999 is a prime.
It is a super-2 number, since 2×303101210012 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30310121011) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13252080 + ... + 13254366.
It is an arithmetic number, because the mean of its divisors is an integer number (1710085520).
Almost surely, 230310121001 is an apocalyptic number.
It is an amenable number.
30310121001 is a deficient number, since it is larger than the sum of its proper divisors (10731931479).
30310121001 is an equidigital number, since it uses as much as digits as its factorization.
30310121001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3265 (or 3192 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 12.
Adding to 30310121001 its reverse (10012101303), we get a palindrome (40322222304).
The spelling of 30310121001 in words is "thirty billion, three hundred ten million, one hundred twenty-one thousand, one".
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