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30424240121 = 1121092937873
BaseRepresentation
bin11100010101011011…
…010000111111111001
32220112022120112102012
4130111123100333321
5444302101140441
621550545015305
72124640526342
oct342533207771
986468515365
1030424240121
11119a2765a00
125a91024535
132b3b242a62
14168891d0c9
15bd0ec99eb
hex7156d0ff9

30424240121 has 24 divisors (see below), whose sum is σ = 33867806280. Its totient is φ = 27307653120.

The previous prime is 30424240109. The next prime is 30424240129. The reversal of 30424240121 is 12104242403.

It can be written as a sum of positive squares in 4 ways, for example, as 6108204025 + 24316036096 = 78155^2 + 155936^2 .

It is not a de Polignac number, because 30424240121 - 26 = 30424240057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30424240129) 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, 3860441 + ... + 3868313.

It is an arithmetic number, because the mean of its divisors is an integer number (1411158595).

Almost surely, 230424240121 is an apocalyptic number.

It is an amenable number.

30424240121 is a deficient number, since it is larger than the sum of its proper divisors (3443566159).

30424240121 is a wasteful number, since it uses less digits than its factorization.

30424240121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8297 (or 8286 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 30424240121 its reverse (12104242403), we get a palindrome (42528482524).

The spelling of 30424240121 in words is "thirty billion, four hundred twenty-four million, two hundred forty thousand, one hundred twenty-one".

Divisors: 1 11 109 121 293 1199 3223 7873 13189 31937 35453 86603 351307 858157 952633 2306789 3864377 9439727 25374679 103836997 251440001 279121469 2765840011 30424240121