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30424312045 = 56084862409
BaseRepresentation
bin11100010101011011…
…100010100011101101
32220112022201012002001
4130111123202203231
5444302110441140
621550550332301
72124641246131
oct342533424355
986468635061
1030424312045
11119a2804a46
125a9105a091
132b3b26970a
14168893b3c1
15bd0ee0e9a
hex7156e28ed

30424312045 has 4 divisors (see below), whose sum is σ = 36509174460. Its totient is φ = 24339449632.

The previous prime is 30424312007. The next prime is 30424312057. The reversal of 30424312045 is 54021342403.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12759509764 + 17664802281 = 112958^2 + 132909^2 .

It is a cyclic number.

It is not a de Polignac number, because 30424312045 - 217 = 30424180973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3042431200 + ... + 3042431209.

It is an arithmetic number, because the mean of its divisors is an integer number (9127293615).

Almost surely, 230424312045 is an apocalyptic number.

It is an amenable number.

30424312045 is a deficient number, since it is larger than the sum of its proper divisors (6084862415).

30424312045 is an equidigital number, since it uses as much as digits as its factorization.

30424312045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6084862414.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 30424312045 its reverse (54021342403), we get a palindrome (84445654448).

The spelling of 30424312045 in words is "thirty billion, four hundred twenty-four million, three hundred twelve thousand, forty-five".

Divisors: 1 5 6084862409 30424312045