Base | Representation |
---|---|
bin | 10011000001101111… |
… | …011010101101001110 |
3 | 1221201211012212122222 |
4 | 103001233122231032 |
5 | 313320124131110 |
6 | 13215140135342 |
7 | 1322165462525 |
oct | 230157325516 |
9 | 57654185588 |
10 | 20430302030 |
11 | 8734411336 |
12 | 3b62097552 |
13 | 1c07898818 |
14 | dbb4d74bc |
15 | 7e8917c55 |
hex | 4c1bdab4e |
20430302030 has 8 divisors (see below), whose sum is σ = 36774543672. Its totient is φ = 8172120808.
The previous prime is 20430302021. The next prime is 20430302033. The reversal of 20430302030 is 3020303402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20430302033) 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 3 ways as a sum of consecutive naturals, for example, 1021515092 + ... + 1021515111.
It is an arithmetic number, because the mean of its divisors is an integer number (4596817959).
Almost surely, 220430302030 is an apocalyptic number.
20430302030 is a deficient number, since it is larger than the sum of its proper divisors (16344241642).
20430302030 is a wasteful number, since it uses less digits than its factorization.
20430302030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2043030210.
The product of its (nonzero) digits is 432, while the sum is 17.
Adding to 20430302030 its reverse (3020303402), we get a palindrome (23450605432).
The spelling of 20430302030 in words is "twenty billion, four hundred thirty million, three hundred two thousand, thirty".
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