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10839291749 = 11132172911827
BaseRepresentation
bin10100001100001001…
…00111011101100101
31000222102001001221222
422012010213131211
5134144324313444
64551323350125
7532415313446
oct120604473545
930872031858
1010839291749
114662552360
122126082345
131039849700
1474b7d92cd
154368e6eee
hex286127765

10839291749 has 48 divisors (see below), whose sum is σ = 14026115520. Its totient is φ = 8264954880.

The previous prime is 10839291721. The next prime is 10839291773. The reversal of 10839291749 is 94719293801.

It is not a de Polignac number, because 10839291749 - 232 = 6544324453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10839291749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10839299749) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 910574 + ... + 922400.

It is an arithmetic number, because the mean of its divisors is an integer number (292210740).

Almost surely, 210839291749 is an apocalyptic number.

It is an amenable number.

10839291749 is a deficient number, since it is larger than the sum of its proper divisors (3186823771).

10839291749 is a wasteful number, since it uses less digits than its factorization.

10839291749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11910 (or 11897 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 10839291749 in words is "ten billion, eight hundred thirty-nine million, two hundred ninety-one thousand, seven hundred forty-nine".

Divisors: 1 11 13 17 29 143 169 187 221 319 377 493 1859 2431 2873 4147 4901 5423 6409 11827 31603 53911 70499 83317 130097 153751 201059 342983 916487 1691261 1998763 2211649 2613767 3772813 4458779 5830711 21986393 28751437 33978971 49046569 57964127 64137821 75799243 373768681 637605397 833791673 985390159 10839291749