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30421044313 = 1120443135281
BaseRepresentation
bin11100010101001111…
…000100110001011001
32220112002120011120221
4130111033010301121
5444300241404223
621550352320041
72124601416202
oct342517046131
986462504527
1030421044313
11119a0982940
125a8bb43021
132b3a69424a
14168832a5a9
15bd0a97b5d
hex7153c4c59

30421044313 has 8 divisors (see below), whose sum is σ = 33188462496. Its totient is φ = 27653937600.

The previous prime is 30421044271. The next prime is 30421044337. The reversal of 30421044313 is 31344012403.

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 30421044313 - 233 = 21831109721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30421044113) 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, 157233 + ... + 292513.

It is an arithmetic number, because the mean of its divisors is an integer number (4148557812).

Almost surely, 230421044313 is an apocalyptic number.

It is an amenable number.

30421044313 is a deficient number, since it is larger than the sum of its proper divisors (2767418183).

30421044313 is a wasteful number, since it uses less digits than its factorization.

30421044313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155735.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 30421044313 its reverse (31344012403), we get a palindrome (61765056716).

The spelling of 30421044313 in words is "thirty billion, four hundred twenty-one million, forty-four thousand, three hundred thirteen".

Divisors: 1 11 20443 135281 224873 1488091 2765549483 30421044313