Base | Representation |
---|---|
bin | 11100011101110111… |
… | …000011011000111111 |
3 | 2220220011211120200211 |
4 | 130131313003120333 |
5 | 1000044312222033 |
6 | 22013001533251 |
7 | 2131306343566 |
oct | 343567033077 |
9 | 86804746624 |
10 | 30565742143 |
11 | 11a65623522 |
12 | 5b104a4227 |
13 | 2b61657971 |
14 | 169d634bdd |
15 | bdd62b2cd |
hex | 71ddc363f |
30565742143 has 8 divisors (see below), whose sum is σ = 31394064800. Its totient is φ = 29737536480.
The previous prime is 30565742131. The next prime is 30565742189. The reversal of 30565742143 is 34124756503.
It is a happy number.
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 30565742143 - 217 = 30565611071 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30565742096 and 30565742105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30565542143) 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, 867433 + ... + 901981.
It is an arithmetic number, because the mean of its divisors is an integer number (3924258100).
Almost surely, 230565742143 is an apocalyptic number.
30565742143 is a deficient number, since it is larger than the sum of its proper divisors (828322657).
30565742143 is a wasteful number, since it uses less digits than its factorization.
30565742143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58497.
The product of its (nonzero) digits is 302400, while the sum is 40.
The spelling of 30565742143 in words is "thirty billion, five hundred sixty-five million, seven hundred forty-two thousand, one hundred forty-three".
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