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12758946695952 = 243265811389499
BaseRepresentation
bin1011100110101010110001…
…1111000100101100010000
31200011202001221011220202120
42321222230133010230100
53133020310323232302
643045213523414240
72454542410334322
oct271525437045420
950152057156676
1012758946695952
11407a04786a646
121520929524380
13717218305572
14321771911612
15171d5201a9bc
hexb9aac7c4b10

12758946695952 has 20 divisors (see below), whose sum is σ = 32960612298000. Its totient is φ = 4252982231968.

The previous prime is 12758946695933. The next prime is 12758946695969. The reversal of 12758946695952 is 25959664985721.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132905694702 + ... + 132905694797.

It is an arithmetic number, because the mean of its divisors is an integer number (1648030614900).

Almost surely, 212758946695952 is an apocalyptic number.

12758946695952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12758946695952 is an abundant number, since it is smaller than the sum of its proper divisors (20201665602048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12758946695952 is a wasteful number, since it uses less digits than its factorization.

12758946695952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265811389510 (or 265811389504 counting only the distinct ones).

The product of its digits is 2939328000, while the sum is 78.

The spelling of 12758946695952 in words is "twelve trillion, seven hundred fifty-eight billion, nine hundred forty-six million, six hundred ninety-five thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 265811389499 531622778998 797434168497 1063245557996 1594868336994 2126491115992 3189736673988 4252982231984 6379473347976 12758946695952