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30544468019 = 132349574463
BaseRepresentation
bin11100011100100101…
…111001100000110011
32220211200210202002022
4130130211321200303
51000023340434034
622010521542055
72130630460112
oct343445714063
986750722068
1030544468019
1111a546129aa
125b0534492b
132b5a119620
14169a897c79
15bdb827b2e
hex71c979833

30544468019 has 4 divisors (see below), whose sum is σ = 32894042496. Its totient is φ = 28194893544.

The previous prime is 30544468013. The next prime is 30544468033. The reversal of 30544468019 is 91086444503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91086444503 = 526117313523.

It is a cyclic number.

It is not a de Polignac number, because 30544468019 - 212 = 30544463923 is a prime.

It is a super-2 number, since 2×305444680192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30544468013) 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, 1174787219 + ... + 1174787244.

It is an arithmetic number, because the mean of its divisors is an integer number (8223510624).

Almost surely, 230544468019 is an apocalyptic number.

30544468019 is a deficient number, since it is larger than the sum of its proper divisors (2349574477).

30544468019 is a wasteful number, since it uses less digits than its factorization.

30544468019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349574476.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 30544468019 in words is "thirty billion, five hundred forty-four million, four hundred sixty-eight thousand, nineteen".

Divisors: 1 13 2349574463 30544468019