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30656233011 = 321863467399
BaseRepresentation
bin11100100011010000…
…001111111000110011
32221010111002222211110
4130203100033320303
51000240443424021
622025553244403
72133455452425
oct344320177063
987114088743
1030656233011
111200170a668
125b36863703
132b7731c161
1416ab66c815
15be6553476
hex72340fe33

30656233011 has 8 divisors (see below), whose sum is σ = 40876934400. Its totient is φ = 20436510152.

The previous prime is 30656232989. The next prime is 30656233087. The reversal of 30656233011 is 11033265603.

It is a happy number.

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 30656233011 - 211 = 30656230963 is a prime.

It is a super-2 number, since 2×306562330112 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30656233011.

It is not an unprimeable number, because it can be changed into a prime (30656233211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168111 + ... + 299288.

It is an arithmetic number, because the mean of its divisors is an integer number (5109616800).

Almost surely, 230656233011 is an apocalyptic number.

30656233011 is a deficient number, since it is larger than the sum of its proper divisors (10220701389).

30656233011 is a wasteful number, since it uses less digits than its factorization.

30656233011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489265.

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 30656233011 its reverse (11033265603), we get a palindrome (41689498614).

The spelling of 30656233011 in words is "thirty billion, six hundred fifty-six million, two hundred thirty-three thousand, eleven".

Divisors: 1 3 21863 65589 467399 1402197 10218744337 30656233011