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30543660211 = 254312010877
BaseRepresentation
bin11100011100100010…
…110100010010110011
32220211122021200222111
4130130202310102303
51000023134111321
622010452350151
72130620554021
oct343442642263
986748250874
1030543660211
1111a54110a99
125b05015357
132b59bc5a2c
14169a727711
15bdb7185e1
hex71c8b44b3

30543660211 has 4 divisors (see below), whose sum is σ = 30555673632. Its totient is φ = 30531646792.

The previous prime is 30543660193. The next prime is 30543660233. The reversal of 30543660211 is 11206634503.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30543660211 - 211 = 30543658163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30543667211) 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 3 ways as a sum of consecutive naturals, for example, 6002896 + ... + 6007981.

It is an arithmetic number, because the mean of its divisors is an integer number (7638918408).

Almost surely, 230543660211 is an apocalyptic number.

30543660211 is a deficient number, since it is larger than the sum of its proper divisors (12013421).

30543660211 is a wasteful number, since it uses less digits than its factorization.

30543660211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12013420.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 30543660211 in words is "thirty billion, five hundred forty-three million, six hundred sixty thousand, two hundred eleven".

Divisors: 1 2543 12010877 30543660211