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12768004054 = 2131728886887
BaseRepresentation
bin10111110010000100…
…00100011111010110
31012221211020210212001
423321002010133112
5202122102112204
65510542345514
7631255146421
oct137102043726
935854223761
1012768004054
115462229473
122583b8b29a
1312862c40b0
14891a189b8
154eadc74a4
hex2f90847d6

12768004054 has 16 divisors (see below), whose sum is σ = 21838487328. Its totient is φ = 5546282112.

The previous prime is 12768004043. The next prime is 12768004057. The reversal of 12768004054 is 45040086721.

12768004054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12768004057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14443002 + ... + 14443885.

It is an arithmetic number, because the mean of its divisors is an integer number (1364905458).

Almost surely, 212768004054 is an apocalyptic number.

12768004054 is a deficient number, since it is larger than the sum of its proper divisors (9070483274).

12768004054 is a wasteful number, since it uses less digits than its factorization.

12768004054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28886919.

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 12768004054 in words is "twelve billion, seven hundred sixty-eight million, four thousand, fifty-four".

Divisors: 1 2 13 17 26 34 221 442 28886887 57773774 375529531 491077079 751059062 982154158 6384002027 12768004054