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130644377271 = 3233403434573
BaseRepresentation
bin111100110101100000…
…0101111111010110111
3110111012211110000001200
41321223000233322313
54120024430033041
6140003414223543
712303326612202
oct1715300577267
9414184400050
10130644377271
1150451388331
12213a0654bb3
13c42053a465
146474cc4939
1535e96ea1b6
hex1e6b02feb7

130644377271 has 12 divisors (see below), whose sum is σ = 188714628648. Its totient is φ = 87093443664.

The previous prime is 130644377263. The next prime is 130644377287. The reversal of 130644377271 is 172773446031.

It is a happy number.

130644377271 is a `hidden beast` number, since 1 + 3 + 0 + 6 + 4 + 4 + 377 + 271 = 666.

It is not a de Polignac number, because 130644377271 - 23 = 130644377263 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130644377671) 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 11 ways as a sum of consecutive naturals, for example, 83341 + ... + 517913.

It is an arithmetic number, because the mean of its divisors is an integer number (15726219054).

Almost surely, 2130644377271 is an apocalyptic number.

130644377271 is a deficient number, since it is larger than the sum of its proper divisors (58070251377).

130644377271 is a wasteful number, since it uses less digits than its factorization.

130644377271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467982 (or 467979 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 130644377271 in words is "one hundred thirty billion, six hundred forty-four million, three hundred seventy-seven thousand, two hundred seventy-one".

Divisors: 1 3 9 33403 100209 300627 434573 1303719 3911157 14516041919 43548125757 130644377271