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30120310320211 = 241817124558283
BaseRepresentation
bin1101101100100111011100…
…11001011010110001010011
310221122110210012210021021201
412312103232121122301103
512421442343420221321
6144021025102532031
76226056240263236
oct666235631326123
9127573705707251
1030120310320211
119662a51a39361
123465626b97017
1313a64439c8937
14761b8b9d141d
1537377212b291
hex1b64ee65ac53

30120310320211 has 4 divisors (see below), whose sum is σ = 30120435120312. Its totient is φ = 30120185520112.

The previous prime is 30120310320209. The next prime is 30120310320253. The reversal of 30120310320211 is 11202301302103.

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 30120310320211 - 21 = 30120310320209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30120317320211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62037325 + ... + 62520958.

It is an arithmetic number, because the mean of its divisors is an integer number (7530108780078).

Almost surely, 230120310320211 is an apocalyptic number.

30120310320211 is a deficient number, since it is larger than the sum of its proper divisors (124800101).

30120310320211 is a wasteful number, since it uses less digits than its factorization.

30120310320211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124800100.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30120310320211 its reverse (11202301302103), we get a palindrome (41322611622314).

The spelling of 30120310320211 in words is "thirty trillion, one hundred twenty billion, three hundred ten million, three hundred twenty thousand, two hundred eleven".

Divisors: 1 241817 124558283 30120310320211