Search a number
-
+
2288745781029 = 32254305086781
BaseRepresentation
bin100001010011100011111…
…000010001011100100101
322002210122121222022121100
4201103203320101130211
5244444322404443104
64511234005110313
7324233153101401
oct41234370213445
98083577868540
102288745781029
11802719364874
1230b6a83b8399
13137a9b8a97c6
147cac1068101
153e807633139
hex214e3e11725

2288745781029 has 6 divisors (see below), whose sum is σ = 3305966128166. Its totient is φ = 1525830520680.

The previous prime is 2288745781009. The next prime is 2288745781043. The reversal of 2288745781029 is 9201875478822.

2288745781029 is a `hidden beast` number, since 2 + 2 + 8 + 87 + 457 + 81 + 0 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1888626278529 + 400119502500 = 1374273^2 + 632550^2 .

It is not a de Polignac number, because 2288745781029 - 27 = 2288745780901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288745781009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127152543382 + ... + 127152543399.

Almost surely, 22288745781029 is an apocalyptic number.

It is an amenable number.

2288745781029 is a deficient number, since it is larger than the sum of its proper divisors (1017220347137).

2288745781029 is a wasteful number, since it uses less digits than its factorization.

2288745781029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254305086787 (or 254305086784 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 63.

The spelling of 2288745781029 in words is "two trillion, two hundred eighty-eight billion, seven hundred forty-five million, seven hundred eighty-one thousand, twenty-nine".

Divisors: 1 3 9 254305086781 762915260343 2288745781029