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131211022301012 = 22142739895762651
BaseRepresentation
bin11101110101010111110010…
…010111111111011101010100
3122012120122120202010022020002
4131311113302113333131110
5114144230133202113022
61143021302252430432
736431453310342053
oct3565276227773524
9565518522108202
10131211022301012
11388983114741a5
12128716a9a78418
13582a1b95a50a4
14245890c52039a
151028176c7b092
hex7755f25ff754

131211022301012 has 24 divisors (see below), whose sum is σ = 229837842874080. Its totient is φ = 65543090266400.

The previous prime is 131211022300987. The next prime is 131211022301081. The reversal of 131211022301012 is 210103220112131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19887887 + ... + 25650537.

It is an arithmetic number, because the mean of its divisors is an integer number (9576576786420).

Almost surely, 2131211022301012 is an apocalyptic number.

It is an amenable number.

131211022301012 is a deficient number, since it is larger than the sum of its proper divisors (98626820573068).

131211022301012 is a wasteful number, since it uses less digits than its factorization.

131211022301012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5768071 (or 5768069 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 131211022301012 its reverse (210103220112131), we get a palindrome (341314242413143).

The spelling of 131211022301012 in words is "one hundred thirty-one trillion, two hundred eleven billion, twenty-two million, three hundred one thousand, twelve".

Divisors: 1 2 4 1427 2854 3989 5708 7978 15956 5692303 5762651 11384606 11525302 22769212 23050604 8223302977 16446605954 22987214839 32893211908 45974429678 91948859356 32802755575253 65605511150506 131211022301012