Base | Representation |
---|---|
bin | 11100001110001001… |
… | …110001001110011111 |
3 | 2220012210221220201001 |
4 | 130032021301032133 |
5 | 444024331304043 |
6 | 21530505331131 |
7 | 2121626363245 |
oct | 341611611637 |
9 | 86183856631 |
10 | 30302213023 |
11 | 1193a89a165 |
12 | 5a58196aa7 |
13 | 2b1bb89284 |
14 | 1676636795 |
15 | bc542374d |
hex | 70e27139f |
30302213023 has 16 divisors (see below), whose sum is σ = 33790284000. Its totient is φ = 27005156352.
The previous prime is 30302213009. The next prime is 30302213027. The reversal of 30302213023 is 32031220303.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 30302213023 - 217 = 30302081951 is a prime.
It is a super-2 number, since 2×303022130232 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30302213027) 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 in 15 ways as a sum of consecutive naturals, for example, 652293 + ... + 697201.
It is an arithmetic number, because the mean of its divisors is an integer number (2111892750).
Almost surely, 230302213023 is an apocalyptic number.
30302213023 is a deficient number, since it is larger than the sum of its proper divisors (3488070977).
30302213023 is a wasteful number, since it uses less digits than its factorization.
30302213023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47034.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 30302213023 its reverse (32031220303), we get a palindrome (62333433326).
The spelling of 30302213023 in words is "thirty billion, three hundred two million, two hundred thirteen thousand, twenty-three".
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