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30244430983 = 1319122447089
BaseRepresentation
bin11100001010101101…
…010110010010000111
32220001210020021122111
4130022231112102013
5443420033242413
621521043041451
72120325264424
oct341255262207
986053207574
1030244430983
1111910213708
125a40970287
132b0cc07a10
14166cab4d4b
15bc030cd3d
hex70ab56487

30244430983 has 8 divisors (see below), whose sum is σ = 34285185200. Its totient is φ = 26448571008.

The previous prime is 30244430933. The next prime is 30244431029. The reversal of 30244430983 is 38903444203.

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 30244430983 - 225 = 30210876551 is a prime.

It is a super-3 number, since 3×302444309833 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30244430933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61223298 + ... + 61223791.

It is an arithmetic number, because the mean of its divisors is an integer number (4285648150).

Almost surely, 230244430983 is an apocalyptic number.

30244430983 is a deficient number, since it is larger than the sum of its proper divisors (4040754217).

30244430983 is a wasteful number, since it uses less digits than its factorization.

30244430983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122447121.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 30244430983 in words is "thirty billion, two hundred forty-four million, four hundred thirty thousand, nine hundred eighty-three".

Divisors: 1 13 19 247 122447089 1591812157 2326494691 30244430983