Base | Representation |
---|---|
bin | 1101101001011101111011… |
… | …10001010010000100010001 |
3 | 10221021010112021012022011201 |
4 | 12310232331301102010101 |
5 | 12413204310244410113 |
6 | 143455213331311201 |
7 | 6215206214335111 |
oct | 664567561220421 |
9 | 127233467168151 |
10 | 30012120310033 |
11 | 9621083556404 |
12 | 344867244b501 |
13 | 13991914a8b34 |
14 | 75a846d65041 |
15 | 370a3ddb1cdd |
hex | 1b4bbdc52111 |
30012120310033 has 4 divisors (see below), whose sum is σ = 30012167146468. Its totient is φ = 30012073473600.
The previous prime is 30012120310013. The next prime is 30012120310057. The reversal of 30012120310033 is 33001302121003.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 24515688574224 + 5496431735809 = 4951332^2 + 2344447^2 .
It is a cyclic number.
It is not a de Polignac number, because 30012120310033 - 225 = 30012086755601 is a prime.
It is a super-2 number, since 2×300121203100332 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30012120310013) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22443516 + ... + 23743117.
It is an arithmetic number, because the mean of its divisors is an integer number (7503041786617).
Almost surely, 230012120310033 is an apocalyptic number.
It is an amenable number.
30012120310033 is a deficient number, since it is larger than the sum of its proper divisors (46836435).
30012120310033 is an equidigital number, since it uses as much as digits as its factorization.
30012120310033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46836434.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 30012120310033 its reverse (33001302121003), we get a palindrome (63013422431036).
The spelling of 30012120310033 in words is "thirty trillion, twelve billion, one hundred twenty million, three hundred ten thousand, thirty-three".
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