Search a number
-
+
131045124068 = 2232761281017
BaseRepresentation
bin111101000001011100…
…1011110011111100100
3110112020202112001022122
41322002321132133210
54121340022432233
6140111251445112
712316264114205
oct1720271363744
9415222461278
10131045124068
1150637613331
12214928b6798
13c485580941
1464b22015ac
15361e9a9d98
hex1e82e5e7e4

131045124068 has 6 divisors (see below), whose sum is σ = 229328967126. Its totient is φ = 65522562032.

The previous prime is 131045124061. The next prime is 131045124079. The reversal of 131045124068 is 860421540131.

It can be written as a sum of positive squares in only one way, i.e., 114834232384 + 16210891684 = 338872^2 + 127322^2 .

It is not an unprimeable number, because it can be changed into a prime (131045124061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16380640505 + ... + 16380640512.

It is an arithmetic number, because the mean of its divisors is an integer number (38221494521).

Almost surely, 2131045124068 is an apocalyptic number.

It is an amenable number.

131045124068 is a deficient number, since it is larger than the sum of its proper divisors (98283843058).

131045124068 is a wasteful number, since it uses less digits than its factorization.

131045124068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32761281021 (or 32761281019 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

Adding to 131045124068 its reverse (860421540131), we get a palindrome (991466664199).

The spelling of 131045124068 in words is "one hundred thirty-one billion, forty-five million, one hundred twenty-four thousand, sixty-eight".

Divisors: 1 2 4 32761281017 65522562034 131045124068