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131445411712 = 271026917279
BaseRepresentation
bin111101001101011000…
…0011100111110000000
3110120021122201202201221
41322122300130332000
54123200011133322
6140215111204424
712332224364446
oct1723260347600
9416248652657
10131445411712
115082256536a
1221584976714
13c51a493134
14650d43cb96
153644bc89c7
hex1e9ac1cf80

131445411712 has 16 divisors (see below), whose sum is σ = 261863906400. Its totient is φ = 65722705792.

The previous prime is 131445411707. The next prime is 131445411719. The reversal of 131445411712 is 217114544131.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131445411719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513458512 + ... + 513458767.

It is an arithmetic number, because the mean of its divisors is an integer number (16366494150).

Almost surely, 2131445411712 is an apocalyptic number.

It is an amenable number.

131445411712 is a deficient number, since it is larger than the sum of its proper divisors (130418494688).

131445411712 is an equidigital number, since it uses as much as digits as its factorization.

131445411712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026917293 (or 1026917281 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

Adding to 131445411712 its reverse (217114544131), we get a palindrome (348559955843).

The spelling of 131445411712 in words is "one hundred thirty-one billion, four hundred forty-five million, four hundred eleven thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 1026917279 2053834558 4107669116 8215338232 16430676464 32861352928 65722705856 131445411712