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117893881611 = 32114327694123
BaseRepresentation
bin110110111001100000…
…1011101111100001011
3102021022020010201012200
41231303001131330023
53412421313202421
6130054255011243
711342343313362
oct1556301357413
9367266121180
10117893881611
1145aa9028210
121aa22509b23
13b16aa6667c
1459c57467d9
153100130726
hex1b7305df0b

117893881611 has 24 divisors (see below), whose sum is σ = 190092467136. Its totient is φ = 69789187440.

The previous prime is 117893881601. The next prime is 117893881613. The reversal of 117893881611 is 116188398711.

117893881611 is a `hidden beast` number, since 1 + 17 + 8 + 9 + 3 + 8 + 8 + 1 + 611 = 666.

It is not a de Polignac number, because 117893881611 - 25 = 117893881579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117893881613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13842805 + ... + 13851318.

It is an arithmetic number, because the mean of its divisors is an integer number (7920519464).

Almost surely, 2117893881611 is an apocalyptic number.

117893881611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

117893881611 is a deficient number, since it is larger than the sum of its proper divisors (72198585525).

117893881611 is a wasteful number, since it uses less digits than its factorization.

117893881611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27694183 (or 27694180 counting only the distinct ones).

The product of its digits is 580608, while the sum is 54.

The spelling of 117893881611 in words is "one hundred seventeen billion, eight hundred ninety-three million, eight hundred eighty-one thousand, six hundred eleven".

Divisors: 1 3 9 11 33 43 99 129 387 473 1419 4257 27694123 83082369 249247107 304635353 913906059 1190847289 2741718177 3572541867 10717625601 13099320179 39297960537 117893881611