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30144422003 = 50131601313
BaseRepresentation
bin11100000100101111…
…110110000001110011
32212210211001022010012
4130010233312001303
5443213433001003
621503111325135
72115002234153
oct340457660163
985724038105
1030144422003
1111869816463
125a133807ab
132ac52900c7
14165d6c0763
15bb66558d8
hex704bf6073

30144422003 has 4 divisors (see below), whose sum is σ = 30145073448. Its totient is φ = 30143770560.

The previous prime is 30144421999. The next prime is 30144422017. The reversal of 30144422003 is 30022444103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30144422003 - 22 = 30144421999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30144422003.

It is not an unprimeable number, because it can be changed into a prime (30144422023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250526 + ... + 350787.

It is an arithmetic number, because the mean of its divisors is an integer number (7536268362).

Almost surely, 230144422003 is an apocalyptic number.

30144422003 is a deficient number, since it is larger than the sum of its proper divisors (651445).

30144422003 is an equidigital number, since it uses as much as digits as its factorization.

30144422003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651444.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 30144422003 its reverse (30022444103), we get a palindrome (60166866106).

The spelling of 30144422003 in words is "thirty billion, one hundred forty-four million, four hundred twenty-two thousand, three".

Divisors: 1 50131 601313 30144422003