Base | Representation |
---|---|
bin | 11011111100001100… |
… | …101111110111110111 |
3 | 2212102211011220122011 |
4 | 123330030233313313 |
5 | 442420224112043 |
6 | 21440545345051 |
7 | 2111311220014 |
oct | 337414576767 |
9 | 85384156564 |
10 | 30001004023 |
11 | 117a586a401 |
12 | 5993338187 |
13 | 2aa16570b3 |
14 | 164862a70b |
15 | ba8c7659d |
hex | 6fc32fdf7 |
30001004023 has 4 divisors (see below), whose sum is σ = 30001641840. Its totient is φ = 30000366208.
The previous prime is 30001004003. The next prime is 30001004029. The reversal of 30001004023 is 32040010003.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30001004023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30001003994 and 30001004012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30001004029) 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, 242203 + ... + 344476.
It is an arithmetic number, because the mean of its divisors is an integer number (7500410460).
Almost surely, 230001004023 is an apocalyptic number.
30001004023 is a deficient number, since it is larger than the sum of its proper divisors (637817).
30001004023 is an equidigital number, since it uses as much as digits as its factorization.
30001004023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 637816.
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 30001004023 its reverse (32040010003), we get a palindrome (62041014026).
The spelling of 30001004023 in words is "thirty billion, one million, four thousand, twenty-three".
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