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11864814806 = 213911500921
BaseRepresentation
bin10110000110011001…
…01011010011010110
31010121212202001010102
423003030223103112
5143244343033211
65241200054102
7600010155545
oct130314532326
933555661112
1011864814806
115039418a79
122371604332
131171151ba0
14807aac15c
1549696aa3b
hex2c332b4d6

11864814806 has 16 divisors (see below), whose sum is σ = 19187316288. Its totient is φ = 5470046400.

The previous prime is 11864814781. The next prime is 11864814817. The reversal of 11864814806 is 60841846811.

11864814806 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 an unprimeable number.

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, 226775 + ... + 274146.

It is an arithmetic number, because the mean of its divisors is an integer number (1199207268).

Almost surely, 211864814806 is an apocalyptic number.

11864814806 is a deficient number, since it is larger than the sum of its proper divisors (7322501482).

11864814806 is a wasteful number, since it uses less digits than its factorization.

11864814806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501847.

The product of its (nonzero) digits is 294912, while the sum is 47.

The spelling of 11864814806 in words is "eleven billion, eight hundred sixty-four million, eight hundred fourteen thousand, eight hundred six".

Divisors: 1 2 13 26 911 1822 11843 23686 500921 1001842 6511973 13023946 456339031 912678062 5932407403 11864814806