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130440000231 = 3214493333359
BaseRepresentation
bin111100101111011010…
…1000111001011100111
3110110200120212120110200
41321132311013023213
54114120120001411
6135531233521543
712265265464602
oct1713665071347
9413616776420
10130440000231
1150356a85892
12213441132b3
13c3ba0acab8
146455ac3339
1535d67c8e56
hex1e5ed472e7

130440000231 has 6 divisors (see below), whose sum is σ = 188413333680. Its totient is φ = 86960000148.

The previous prime is 130440000217. The next prime is 130440000253. The reversal of 130440000231 is 132000044031.

130440000231 is a `hidden beast` number, since 1 + 30 + 4 + 400 + 0 + 0 + 231 = 666.

It is not a de Polignac number, because 130440000231 - 214 = 130439983847 is a prime.

It is a super-2 number, since 2×1304400002312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130440000631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7246666671 + ... + 7246666688.

It is an arithmetic number, because the mean of its divisors is an integer number (31402222280).

Almost surely, 2130440000231 is an apocalyptic number.

130440000231 is a deficient number, since it is larger than the sum of its proper divisors (57973333449).

130440000231 is a wasteful number, since it uses less digits than its factorization.

130440000231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14493333365 (or 14493333362 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 130440000231 its reverse (132000044031), we get a palindrome (262440044262).

The spelling of 130440000231 in words is "one hundred thirty billion, four hundred forty million, two hundred thirty-one", and thus it is an aban number.

Divisors: 1 3 9 14493333359 43480000077 130440000231