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130681547149609 = 114316032
BaseRepresentation
bin11101101101101010101011…
…001100100101000100101001
3122010201000220201012202112101
4131231222223030211010221
5114112041302032241414
61141534135102413401
736345300363662401
oct3555525314450451
9563630821182471
10130681547149609
1138703807561245
12127a6b61891261
1357bc2a8a37631
14243b040875801
1510194d8644a74
hex76daab325129

130681547149609 has 3 divisors (see below), whose sum is σ = 130681558581213. Its totient is φ = 130681535718006.

The previous prime is 130681547149567. The next prime is 130681547149847. The reversal of 130681547149609 is 906941745186031.

The square root of 130681547149609 is 11431603.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 130681547149609 - 27 = 130681547149481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130681547149409) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5715802 + ... + 17147404.

It is an arithmetic number, because the mean of its divisors is an integer number (43560519527071).

Almost surely, 2130681547149609 is an apocalyptic number.

130681547149609 is the 11431603-rd square number.

130681547149609 is the 5715802-nd centered octagonal number.

It is an amenable number.

130681547149609 is a deficient number, since it is larger than the sum of its proper divisors (11431604).

130681547149609 is an frugal number, since it uses more digits than its factorization.

130681547149609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22863206 (or 11431603 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 130681547149609 in words is "one hundred thirty trillion, six hundred eighty-one billion, five hundred forty-seven million, one hundred forty-nine thousand, six hundred nine".

Divisors: 1 11431603 130681547149609