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13129761892479 = 331141180235403
BaseRepresentation
bin1011111100010000001011…
…0010110010100001111111
31201111012012200101122210020
42333010002302302201333
53210104223021024404
643531421312143223
72523410511444621
oct277040262624177
951435180348706
1013129761892479
114202334329151
121580776837b13
1374319242260b
143356aba2cc11
1517b806664ed9
hexbf102cb287f

13129761892479 has 8 divisors (see below), whose sum is σ = 18071070131712. Its totient is φ = 8470814124120.

The previous prime is 13129761892411. The next prime is 13129761892529. The reversal of 13129761892479 is 97429816792131.

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

It is not a de Polignac number, because 13129761892479 - 223 = 13129753503871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13129761892879) 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, 70590117609 + ... + 70590117794.

It is an arithmetic number, because the mean of its divisors is an integer number (2258883766464).

Almost surely, 213129761892479 is an apocalyptic number.

13129761892479 is a deficient number, since it is larger than the sum of its proper divisors (4941308239233).

13129761892479 is a wasteful number, since it uses less digits than its factorization.

13129761892479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141180235437.

The product of its digits is 82301184, while the sum is 69.

The spelling of 13129761892479 in words is "thirteen trillion, one hundred twenty-nine billion, seven hundred sixty-one million, eight hundred ninety-two thousand, four hundred seventy-nine".

Divisors: 1 3 31 93 141180235403 423540706209 4376587297493 13129761892479