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10949538291 = 31921032953
BaseRepresentation
bin10100011001010010…
…01011000111110011
31001021002111011210020
422030221023013303
5134411040211131
65010302334523
7535224353106
oct121451130763
931232434706
1010949538291
1147098021aa
122156b8a443
13105663a053
1475c2d673d
15441422996
hex28ca4b1f3

10949538291 has 36 divisors (see below), whose sum is σ = 15575587848. Its totient is φ = 6841171008.

The previous prime is 10949538289. The next prime is 10949538311. The reversal of 10949538291 is 19283594901.

10949538291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10949538291 - 21 = 10949538289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10949538221) 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 35 ways as a sum of consecutive naturals, for example, 11489071 + ... + 11490023.

It is an arithmetic number, because the mean of its divisors is an integer number (432655218).

Almost surely, 210949538291 is an apocalyptic number.

10949538291 is a deficient number, since it is larger than the sum of its proper divisors (4626049557).

10949538291 is an equidigital number, since it uses as much as digits as its factorization.

10949538291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 51.

The spelling of 10949538291 in words is "ten billion, nine hundred forty-nine million, five hundred thirty-eight thousand, two hundred ninety-one".

Divisors: 1 3 19 57 103 309 361 953 1083 1957 2859 5871 10609 18107 31827 37183 54321 98159 111549 201571 294477 344033 604713 1032099 1865021 3829849 5595063 10110377 11489547 30331131 35435399 106306197 192097163 576291489 3649846097 10949538291