Base | Representation |
---|---|
bin | 11100010000101010… |
… | …110100001101011110 |
3 | 2220022202101210002201 |
4 | 130100222310031132 |
5 | 444121133233210 |
6 | 21535014242114 |
7 | 2122651255126 |
oct | 342052641536 |
9 | 86282353081 |
10 | 30344430430 |
11 | 11961704786 |
12 | 5a6a35633a |
13 | 2b2784b1a2 |
14 | 167c0a5c86 |
15 | bc8eb253a |
hex | 710ab435e |
30344430430 has 48 divisors (see below), whose sum is σ = 57033033120. Its totient is φ = 11610393984.
The previous prime is 30344430427. The next prime is 30344430433. The reversal of 30344430430 is 3403444303.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30344430427) and next prime (30344430433).
It is a super-2 number, since 2×303444304302 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30344430433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3441087 + ... + 3449893.
It is an arithmetic number, because the mean of its divisors is an integer number (1188188190).
Almost surely, 230344430430 is an apocalyptic number.
30344430430 is a deficient number, since it is larger than the sum of its proper divisors (26688602690).
30344430430 is a wasteful number, since it uses less digits than its factorization.
30344430430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9061 (or 8952 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 28.
Adding to 30344430430 its reverse (3403444303), we get a palindrome (33747874733).
The spelling of 30344430430 in words is "thirty billion, three hundred forty-four million, four hundred thirty thousand, four hundred thirty".
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