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12692919378939 = 340792358143987
BaseRepresentation
bin1011100010110100110011…
…1100110110001111111011
31122221102122101010200102220
42320231030330312033323
53130430044330111224
642555014025055123
72450014242365652
oct270551474661773
948842571120386
1012692919378939
1140540450a4058
12150bb810274a3
13710c24c36907
1431c4aa77c199
1517028a586279
hexb8b4cf363fb

12692919378939 has 16 divisors (see below), whose sum is σ = 16929144261120. Its totient is φ = 8459320661280.

The previous prime is 12692919378863. The next prime is 12692919378983. The reversal of 12692919378939 is 93987391929621.

It is not a de Polignac number, because 12692919378939 - 229 = 12692382508027 is a prime.

It is a super-2 number, since 2×126929193789392 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12692919378739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288538704 + ... + 288582690.

It is an arithmetic number, because the mean of its divisors is an integer number (1058071516320).

Almost surely, 212692919378939 is an apocalyptic number.

12692919378939 is a deficient number, since it is larger than the sum of its proper divisors (4236224882181).

12692919378939 is a wasteful number, since it uses less digits than its factorization.

12692919378939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71650.

The product of its digits is 714256704, while the sum is 78.

The spelling of 12692919378939 in words is "twelve trillion, six hundred ninety-two billion, nine hundred nineteen million, three hundred seventy-eight thousand, nine hundred thirty-nine".

Divisors: 1 3 4079 12237 23581 43987 70743 131961 96186899 179422973 288560697 538268919 1037257447 3111772341 4230973126313 12692919378939