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11391957114 = 2313913659421
BaseRepresentation
bin10101001110000001…
…10111100001111010
31002101220222101022120
422213000313201322
5141312320111424
65122225102110
7552206015646
oct124700674172
932356871276
1011391957114
11491650aa9a
12225b187936
1310c71b1135
147a0d7dc26
1546a1b4a79
hex2a703787a

11391957114 has 16 divisors (see below), whose sum is σ = 22947828960. Its totient is φ = 3769999920.

The previous prime is 11391957067. The next prime is 11391957163. The reversal of 11391957114 is 41175919311.

11391957114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 6828877 + ... + 6830544.

It is an arithmetic number, because the mean of its divisors is an integer number (1434239310).

Almost surely, 211391957114 is an apocalyptic number.

11391957114 is an abundant number, since it is smaller than the sum of its proper divisors (11555871846).

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

11391957114 is a wasteful number, since it uses less digits than its factorization.

11391957114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13659565.

The product of its digits is 34020, while the sum is 42.

The spelling of 11391957114 in words is "eleven billion, three hundred ninety-one million, nine hundred fifty-seven thousand, one hundred fourteen".

Divisors: 1 2 3 6 139 278 417 834 13659421 27318842 40978263 81956526 1898659519 3797319038 5695978557 11391957114