Base | Representation |
---|---|
bin | 1011100111001101011001… |
… | …0110010001111000110010 |
3 | 1200012122001112020021011021 |
4 | 2321303112112101320302 |
5 | 3133143323133441440 |
6 | 43053351545210054 |
7 | 2455321602341464 |
oct | 271632626217062 |
9 | 50178045207137 |
10 | 12768238968370 |
11 | 4082a86037426 |
12 | 15226a149092a |
13 | 7180694a9202 |
14 | 321db3a88134 |
15 | 1721e7bcb84a |
hex | b9cd6591e32 |
12768238968370 has 8 divisors (see below), whose sum is σ = 22982830143084. Its totient is φ = 5107295587344.
The previous prime is 12768238968367. The next prime is 12768238968403. The reversal of 12768238968370 is 7386983286721.
It can be written as a sum of positive squares in 2 ways, for example, as 12488951028841 + 279287939529 = 3533971^2 + 528477^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 12768238968370.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638411948409 + ... + 638411948428.
Almost surely, 212768238968370 is an apocalyptic number.
12768238968370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12768238968370 is a deficient number, since it is larger than the sum of its proper divisors (10214591174714).
12768238968370 is a wasteful number, since it uses less digits than its factorization.
12768238968370 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1276823896844.
The product of its (nonzero) digits is 292626432, while the sum is 70.
The spelling of 12768238968370 in words is "twelve trillion, seven hundred sixty-eight billion, two hundred thirty-eight million, nine hundred sixty-eight thousand, three hundred seventy".
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