Base | Representation |
---|---|
bin | 11100010101111001… |
… | …110000001011001111 |
3 | 2220112212121120102000 |
4 | 130111321300023033 |
5 | 444311122412033 |
6 | 21551432203343 |
7 | 2125065463605 |
oct | 342571601317 |
9 | 86485546360 |
10 | 30432232143 |
11 | 119a7224485 |
12 | 5a93839553 |
13 | 2b3cab0671 |
14 | 16899dd875 |
15 | bd1a57a13 |
hex | 715e702cf |
30432232143 has 8 divisors (see below), whose sum is σ = 45084788400. Its totient is φ = 20288154744.
The previous prime is 30432232141. The next prime is 30432232183. The reversal of 30432232143 is 34123223403.
30432232143 is a `hidden beast` number, since 304 + 32 + 2 + 321 + 4 + 3 = 666.
It is not a de Polignac number, because 30432232143 - 21 = 30432232141 is a prime.
It is a super-2 number, since 2×304322321432 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1127119709 = 30432232143 / (3 + 0 + 4 + 3 + 2 + 2 + 3 + 2 + 1 + 4 + 3).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30432232141) 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 7 ways as a sum of consecutive naturals, for example, 563559828 + ... + 563559881.
It is an arithmetic number, because the mean of its divisors is an integer number (5635598550).
Almost surely, 230432232143 is an apocalyptic number.
30432232143 is a deficient number, since it is larger than the sum of its proper divisors (14652556257).
30432232143 is a wasteful number, since it uses less digits than its factorization.
30432232143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1127119718 (or 1127119712 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 27.
Adding to 30432232143 its reverse (34123223403), we get a palindrome (64555455546).
The spelling of 30432232143 in words is "thirty billion, four hundred thirty-two million, two hundred thirty-two thousand, one hundred forty-three".
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