Search a number
-
+
320131111401212 = 22367121801355993
BaseRepresentation
bin100100011001010000101010…
…1001011010011011011111100
31112222111020100120122100222112
41020302201111023103123330
5313430012004004314322
63052510111410433152
7124300465242156056
oct11062412513233374
91488436316570875
10320131111401212
1193004929648891
122baa36795927b8
1310982307903617
14590a5dd9c88d6
152702528de25e2
hex12328552d36fc

320131111401212 has 12 divisors (see below), whose sum is σ = 560382054469776. Its totient is φ = 160021952981280.

The previous prime is 320131111401191. The next prime is 320131111401217. The reversal of 320131111401212 is 212104111131023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320131111401217) 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, 10900663313 + ... + 10900692680.

It is an arithmetic number, because the mean of its divisors is an integer number (46698504539148).

Almost surely, 2320131111401212 is an apocalyptic number.

It is an amenable number.

320131111401212 is a deficient number, since it is larger than the sum of its proper divisors (240250943068564).

320131111401212 is a wasteful number, since it uses less digits than its factorization.

320131111401212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21801359668 (or 21801359666 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 320131111401212 its reverse (212104111131023), we get a palindrome (532235222532235).

The spelling of 320131111401212 in words is "three hundred twenty trillion, one hundred thirty-one billion, one hundred eleven million, four hundred one thousand, two hundred twelve".

Divisors: 1 2 4 3671 7342 14684 21801355993 43602711986 87205423972 80032777850303 160065555700606 320131111401212