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30420324342 = 2322816014299
BaseRepresentation
bin11100010101001100…
…010100111111110110
32220112001012120222100
4130111030110333312
5444300100334332
621550325042530
72124562330152
oct342514247766
986461176870
1030420324342
11119a0530a21
125a8b856446
132b3a4a1625
1416881c0062
15bd09a467c
hex715314ff6

30420324342 has 24 divisors (see below), whose sum is σ = 66145271400. Its totient is φ = 10104020640.

The previous prime is 30420324313. The next prime is 30420324349. The reversal of 30420324342 is 24342302403.

30420324342 is a `hidden beast` number, since 304 + 2 + 0 + 324 + 34 + 2 = 666.

It is a super-2 number, since 2×304203243422 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30420324349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3002092 + ... + 3012207.

It is an arithmetic number, because the mean of its divisors is an integer number (2756052975).

Almost surely, 230420324342 is an apocalyptic number.

30420324342 is an abundant number, since it is smaller than the sum of its proper divisors (35724947058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30420324342 is a wasteful number, since it uses less digits than its factorization.

30420324342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6014588 (or 6014585 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 30420324342 its reverse (24342302403), we get a palindrome (54762626745).

The spelling of 30420324342 in words is "thirty billion, four hundred twenty million, three hundred twenty-four thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 281 562 843 1686 2529 5058 6014299 12028598 18042897 36085794 54128691 108257382 1690018019 3380036038 5070054057 10140108114 15210162171 30420324342