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30420443313 = 3213318387219
BaseRepresentation
bin11100010101001100…
…110010000010110001
32220112001102122011200
4130111030302002301
5444300113141223
621550331401413
72124563334051
oct342514620261
986461378150
1030420443313
11119a0602347
125a8b8b3269
132b3a513820
141688211561
15bd09c9a43
hex7153320b1

30420443313 has 24 divisors (see below), whose sum is σ = 48847169280. Its totient is φ = 18116390880.

The previous prime is 30420443311. The next prime is 30420443323. The reversal of 30420443313 is 31334402403.

30420443313 is a `hidden beast` number, since 304 + 2 + 0 + 4 + 43 + 313 = 666.

It is not a de Polignac number, because 30420443313 - 21 = 30420443311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30420443311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4189983 + ... + 4197236.

It is an arithmetic number, because the mean of its divisors is an integer number (2035298720).

Almost surely, 230420443313 is an apocalyptic number.

It is an amenable number.

30420443313 is a deficient number, since it is larger than the sum of its proper divisors (18426725967).

30420443313 is a wasteful number, since it uses less digits than its factorization.

30420443313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8387269 (or 8387266 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 30420443313 its reverse (31334402403), we get a palindrome (61754845716).

The spelling of 30420443313 in words is "thirty billion, four hundred twenty million, four hundred forty-three thousand, three hundred thirteen".

Divisors: 1 3 9 13 31 39 93 117 279 403 1209 3627 8387219 25161657 75484971 109033847 260003789 327101541 780011367 981304623 2340034101 3380049257 10140147771 30420443313