Search a number
-
+
20132432011442 = 2291464372370377
BaseRepresentation
bin1001001001111011100100…
…11101010110000010110010
32122021122022210122201210102
410210331302131112002302
510114322210043331232
6110452413411432402
74145343301366412
oct444756235260262
978248283581712
1020132432011442
116462131023383
1223119728b5702
13b30631ca189a
144d85b471a642
1524da56495662
hex124f727560b2

20132432011442 has 16 divisors (see below), whose sum is σ = 31240207220760. Its totient is φ = 9719034638208.

The previous prime is 20132432011429. The next prime is 20132432011451. The reversal of 20132432011442 is 24411023423102.

It can be written as a sum of positive squares in 4 ways, for example, as 19173460320001 + 958971691441 = 4378751^2 + 979271^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7308158 + ... + 9678534.

Almost surely, 220132432011442 is an apocalyptic number.

20132432011442 is a deficient number, since it is larger than the sum of its proper divisors (11107775209318).

20132432011442 is a wasteful number, since it uses less digits than its factorization.

20132432011442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516845.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 20132432011442 its reverse (24411023423102), we get a palindrome (44543455434544).

The spelling of 20132432011442 in words is "twenty trillion, one hundred thirty-two billion, four hundred thirty-two million, eleven thousand, four hundred forty-two".

Divisors: 1 2 29 58 146437 292874 2370377 4246673 4740754 8493346 68740933 137481866 347110896749 694221793498 10066216005721 20132432011442