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12993657793 = 149179487183
BaseRepresentation
bin11000001100111101…
…10111101111000001
31020112112212012120221
430012132313233001
5203102334022133
65545203103041
7636665161144
oct140636675701
936475765527
1012993657793
115568643466
122627671a81
1312c0c9100c
148b399805b
15510aeca2d
hex3067b7bc1

12993657793 has 8 divisors (see below), whose sum is σ = 13153968000. Its totient is φ = 12834322608.

The previous prime is 12993657757. The next prime is 12993657829. The reversal of 12993657793 is 39775639921.

It is an interprime number because it is at equal distance from previous prime (12993657757) and next prime (12993657829).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12993657793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12993657713) 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 7 ways as a sum of consecutive naturals, for example, 216921 + ... + 270262.

It is an arithmetic number, because the mean of its divisors is an integer number (1644246000).

Almost surely, 212993657793 is an apocalyptic number.

It is an amenable number.

12993657793 is a deficient number, since it is larger than the sum of its proper divisors (160310207).

12993657793 is a wasteful number, since it uses less digits than its factorization.

12993657793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487511.

The product of its digits is 19289340, while the sum is 61.

The spelling of 12993657793 in words is "twelve billion, nine hundred ninety-three million, six hundred fifty-seven thousand, seven hundred ninety-three".

Divisors: 1 149 179 26671 487183 72590267 87205757 12993657793