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30143443013 = 375771411937
BaseRepresentation
bin11100000100101100…
…000111000001000101
32212210202012120012022
4130010230013001011
5443213210134023
621503034332525
72114661016025
oct340454070105
985722176168
1030143443013
1111869207982
125a12b8a145
132ac5009618
14165d507a85
15bb65107c8
hex704b07045

30143443013 has 8 divisors (see below), whose sum is σ = 31011806232. Its totient is φ = 29277904896.

The previous prime is 30143443003. The next prime is 30143443027. The reversal of 30143443013 is 31034434103.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18572783524 + 11570659489 = 136282^2 + 107567^2 .

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 30143443013 - 220 = 30142394437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30143443003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684620 + ... + 727317.

It is an arithmetic number, because the mean of its divisors is an integer number (3876475779).

Almost surely, 230143443013 is an apocalyptic number.

It is an amenable number.

30143443013 is a deficient number, since it is larger than the sum of its proper divisors (868363219).

30143443013 is a wasteful number, since it uses less digits than its factorization.

30143443013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412551.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 30143443013 its reverse (31034434103), we get a palindrome (61177877116).

The spelling of 30143443013 in words is "thirty billion, one hundred forty-three million, four hundred forty-three thousand, thirteen".

Divisors: 1 37 577 21349 1411937 52241669 814687649 30143443013