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12919763419 = 59218979041
BaseRepresentation
bin11000000100001001…
…11111000111011011
31020100101210222120021
430002010333013123
5202424424412134
65534003211311
7635110114513
oct140204770733
936311728507
1012919763419
11552a962532
122606976b37
1312ab88aa34
148a7c40843
155093a30b4
hex30213f1db

12919763419 has 4 divisors (see below), whose sum is σ = 13138742520. Its totient is φ = 12700784320.

The previous prime is 12919763387. The next prime is 12919763447. The reversal of 12919763419 is 91436791921.

12919763419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91436791921 = 139965358679.

It is a cyclic number.

It is not a de Polignac number, because 12919763419 - 25 = 12919763387 is a prime.

It is a super-2 number, since 2×129197634192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12949763419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109489462 + ... + 109489579.

It is an arithmetic number, because the mean of its divisors is an integer number (3284685630).

Almost surely, 212919763419 is an apocalyptic number.

12919763419 is a deficient number, since it is larger than the sum of its proper divisors (218979101).

12919763419 is an equidigital number, since it uses as much as digits as its factorization.

12919763419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218979100.

The product of its digits is 734832, while the sum is 52.

The spelling of 12919763419 in words is "twelve billion, nine hundred nineteen million, seven hundred sixty-three thousand, four hundred nineteen".

Divisors: 1 59 218979041 12919763419