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131444601407 = 753354298117
BaseRepresentation
bin111101001101010110…
…1010111001000111111
3110120021121012121012122
41322122231113020333
54123144304221112
6140215041553155
712332214451160
oct1723255271077
9416247177178
10131444601407
1150822061599
12215846457bb
13c51a26b372
14650d2ab767
153644ab8872
hex1e9ab5723f

131444601407 has 8 divisors (see below), whose sum is σ = 153056786976. Its totient is φ = 110541012192.

The previous prime is 131444601403. The next prime is 131444601439. The reversal of 131444601407 is 704106444131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131444601407 - 22 = 131444601403 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 (131444601403) 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 7 ways as a sum of consecutive naturals, for example, 177148688 + ... + 177149429.

It is an arithmetic number, because the mean of its divisors is an integer number (19132098372).

Almost surely, 2131444601407 is an apocalyptic number.

131444601407 is a deficient number, since it is larger than the sum of its proper divisors (21612185569).

131444601407 is an equidigital number, since it uses as much as digits as its factorization.

131444601407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354298177.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 131444601407 in words is "one hundred thirty-one billion, four hundred forty-four million, six hundred one thousand, four hundred seven".

Divisors: 1 7 53 371 354298117 2480086819 18777800201 131444601407