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131222323302044 = 22135234825059689
BaseRepresentation
bin11101110101100010010011…
…111101111000111010011100
3122012121201202022221122020212
4131311202103331320322130
5114144421304231131134
61143030411512231552
736432333333303662
oct3565422375707234
9565551668848225
10131222323302044
11388a20905aa577
121287392269b5b8
13582b29a98b050
1424592a1384c32
1510285d8e75bce
hex775893f78e9c

131222323302044 has 24 divisors (see below), whose sum is σ = 247776465200880. Its totient is φ = 60448347771264.

The previous prime is 131222323302043. The next prime is 131222323302053. The reversal of 131222323302044 is 440203323222131.

It is a self number, because there is not a number n which added to its sum of digits gives 131222323302044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131222323302043) 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, 2412502649 + ... + 2412557040.

It is an arithmetic number, because the mean of its divisors is an integer number (10324019383370).

Almost surely, 2131222323302044 is an apocalyptic number.

It is an amenable number.

131222323302044 is a deficient number, since it is larger than the sum of its proper divisors (116554141898836).

131222323302044 is a wasteful number, since it uses less digits than its factorization.

131222323302044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4825060229 (or 4825060227 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 131222323302044 its reverse (440203323222131), we get a palindrome (571425646524175).

The spelling of 131222323302044 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, three hundred twenty-three million, three hundred two thousand, forty-four".

Divisors: 1 2 4 13 26 52 523 1046 2092 6799 13598 27196 4825059689 9650119378 19300238756 62725775957 125451551914 250903103828 2523506217347 5047012434694 10094024869388 32805580825511 65611161651022 131222323302044