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130684340309 = 1031268780003
BaseRepresentation
bin111100110110101100…
…1001100100001010101
3110111022121122100001012
41321231121030201111
54120120142342214
6140011402542005
712304323364415
oct1715531144125
9414277570035
10130684340309
11504719a3136
12213b1b07905
13c4288c0223
14647a328645
1535ece9103e
hex1e6d64c855

130684340309 has 4 divisors (see below), whose sum is σ = 131953120416. Its totient is φ = 129415560204.

The previous prime is 130684340279. The next prime is 130684340333. The reversal of 130684340309 is 903043486031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 903043486031 = 4229213535939.

It is a cyclic number.

It is not a de Polignac number, because 130684340309 - 212 = 130684336213 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 (130684340359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634389899 + ... + 634390104.

It is an arithmetic number, because the mean of its divisors is an integer number (32988280104).

Almost surely, 2130684340309 is an apocalyptic number.

It is an amenable number.

130684340309 is a deficient number, since it is larger than the sum of its proper divisors (1268780107).

130684340309 is a wasteful number, since it uses less digits than its factorization.

130684340309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268780106.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 130684340309 in words is "one hundred thirty billion, six hundred eighty-four million, three hundred forty thousand, three hundred nine".

Divisors: 1 103 1268780003 130684340309