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12619785623 is a prime number
BaseRepresentation
bin10111100000011001…
…01010010110010111
31012120111100112101112
423300030222112113
5201321131114443
65444125445235
7624505256624
oct136014522627
935514315345
1012619785623
1153965a37a5
12254241081b
13126169a093
1487a07534b
154dcd9ab18
hex2f032a597

12619785623 has 2 divisors, whose sum is σ = 12619785624. Its totient is φ = 12619785622.

The previous prime is 12619785599. The next prime is 12619785637. The reversal of 12619785623 is 32658791621.

It is a happy number.

12619785623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12619785623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12619785643) 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 as a sum of consecutive naturals, namely, 6309892811 + 6309892812.

It is an arithmetic number, because the mean of its divisors is an integer number (6309892812).

Almost surely, 212619785623 is an apocalyptic number.

12619785623 is a deficient number, since it is larger than the sum of its proper divisors (1).

12619785623 is an equidigital number, since it uses as much as digits as its factorization.

12619785623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 50.

The spelling of 12619785623 in words is "twelve billion, six hundred nineteen million, seven hundred eighty-five thousand, six hundred twenty-three".