Base | Representation |
---|---|
bin | 11100001000110110… |
… | …010111110010100111 |
3 | 2212222121112201102211 |
4 | 130020312113302213 |
5 | 443334042221043 |
6 | 21514010344251 |
7 | 2116466214466 |
oct | 341066276247 |
9 | 85877481384 |
10 | 30213242023 |
11 | 118a4650a08 |
12 | 5a3242b087 |
13 | 2b06607803 |
14 | 16688b69dd |
15 | bbc6eba9d |
hex | 708d97ca7 |
30213242023 has 2 divisors, whose sum is σ = 30213242024. Its totient is φ = 30213242022.
The previous prime is 30213242011. The next prime is 30213242029. The reversal of 30213242023 is 32024231203.
It is a strong prime.
It is an emirp because it is prime and its reverse (32024231203) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30213242023 - 29 = 30213241511 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30213241985 and 30213242003.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30213242029) 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 as a sum of consecutive naturals, namely, 15106621011 + 15106621012.
It is an arithmetic number, because the mean of its divisors is an integer number (15106621012).
Almost surely, 230213242023 is an apocalyptic number.
30213242023 is a deficient number, since it is larger than the sum of its proper divisors (1).
30213242023 is an equidigital number, since it uses as much as digits as its factorization.
30213242023 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 30213242023 its reverse (32024231203), we get a palindrome (62237473226).
The spelling of 30213242023 in words is "thirty billion, two hundred thirteen million, two hundred forty-two thousand, twenty-three".
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