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489939117413 = 491997839343
BaseRepresentation
bin1110010000100101010…
…01011010010101100101
31201211121200212220220112
413020102221122111211
531011343403224123
61013024103342405
750253101533214
oct7102251322545
91654550786815
10489939117413
1117986694a4a9
127ab53751a05
133727c964a05
14199dad7307b
15cb2774ad78
hex7212a5a565

489939117413 has 4 divisors (see below), whose sum is σ = 490936957248. Its totient is φ = 488941277580.

The previous prime is 489939117391. The next prime is 489939117419. The reversal of 489939117413 is 314711939984.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 489939117413 - 224 = 489922340197 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 (489939117419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498919181 + ... + 498920162.

It is an arithmetic number, because the mean of its divisors is an integer number (122734239312).

Almost surely, 2489939117413 is an apocalyptic number.

It is an amenable number.

489939117413 is a deficient number, since it is larger than the sum of its proper divisors (997839835).

489939117413 is an equidigital number, since it uses as much as digits as its factorization.

489939117413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997839834.

The product of its digits is 5878656, while the sum is 59.

The spelling of 489939117413 in words is "four hundred eighty-nine billion, nine hundred thirty-nine million, one hundred seventeen thousand, four hundred thirteen".

Divisors: 1 491 997839343 489939117413