Base | Representation |
---|---|
bin | 11100010101111010… |
… | …100011101011110011 |
3 | 2220112220000021211002 |
4 | 130111322203223303 |
5 | 444311201134443 |
6 | 21551440512215 |
7 | 2125100332655 |
oct | 342572435363 |
9 | 86486007732 |
10 | 30432443123 |
11 | 119a7358a45 |
12 | 5a9391b66b |
13 | 2b3cb556c4 |
14 | 1689a566d5 |
15 | bd1a9a2b8 |
hex | 715ea3af3 |
30432443123 has 8 divisors (see below), whose sum is σ = 32229558528. Its totient is φ = 28674824904.
The previous prime is 30432443117. The next prime is 30432443137. The reversal of 30432443123 is 32134423403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30432443123 - 216 = 30432377587 is a prime.
It is a super-2 number, since 2×304324431232 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30432443143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9872711 + ... + 9875792.
It is an arithmetic number, because the mean of its divisors is an integer number (4028694816).
Almost surely, 230432443123 is an apocalyptic number.
30432443123 is a deficient number, since it is larger than the sum of its proper divisors (1797115405).
30432443123 is a wasteful number, since it uses less digits than its factorization.
30432443123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19748593.
The product of its (nonzero) digits is 20736, while the sum is 29.
Adding to 30432443123 its reverse (32134423403), we get a palindrome (62566866526).
The spelling of 30432443123 in words is "thirty billion, four hundred thirty-two million, four hundred forty-three thousand, one hundred twenty-three".
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