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12719082827 = 1122989139293
BaseRepresentation
bin10111101100001110…
…11100110101001011
31012211102012100112202
423312013130311023
5202022041122302
65502034030415
7630122264063
oct136607346513
935742170482
1012719082827
115437655200
12256b71840b
131279125a19
148893223a3
154e6962202
hex2f61dcd4b

12719082827 has 48 divisors (see below), whose sum is σ = 14780556000. Its totient is φ = 10921827840.

The previous prime is 12719082799. The next prime is 12719082839. The reversal of 12719082827 is 72828091721.

It is not a de Polignac number, because 12719082827 - 216 = 12719017291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12719082527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43409693 + ... + 43409985.

It is an arithmetic number, because the mean of its divisors is an integer number (307928250).

Almost surely, 212719082827 is an apocalyptic number.

12719082827 is a deficient number, since it is larger than the sum of its proper divisors (2061473173).

12719082827 is a wasteful number, since it uses less digits than its factorization.

12719082827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 47.

The spelling of 12719082827 in words is "twelve billion, seven hundred nineteen million, eighty-two thousand, eight hundred twenty-seven".

Divisors: 1 11 29 89 121 139 293 319 979 1529 2581 3223 3509 4031 8497 10769 12371 16819 26077 28391 35453 40727 44341 93467 136081 286847 312301 358759 447997 487751 756233 1028137 1181083 1496891 3155317 3624703 3946349 4927967 8318563 12991913 39871733 43409839 91504193 105116387 142911043 438589063 1156280257 12719082827