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30565742143 = 372391134549
BaseRepresentation
bin11100011101110111…
…000011011000111111
32220220011211120200211
4130131313003120333
51000044312222033
622013001533251
72131306343566
oct343567033077
986804746624
1030565742143
1111a65623522
125b104a4227
132b61657971
14169d634bdd
15bdd62b2cd
hex71ddc363f

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".

Divisors: 1 37 23911 34549 884707 1278313 826101139 30565742143