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117885161180 = 2259760765547
BaseRepresentation
bin110110111001010000…
…0001100111011011100
3102021021121201200000202
41231302200030323130
53412412100124210
6130053344043032
711342206223363
oct1556240147334
9367247650022
10117885161180
1145aa4111446
121aa1b603478
13b169002357
1459c45167da
1530ee4ab9a5
hex1b7280cedc

117885161180 has 24 divisors (see below), whose sum is σ = 250110995568. Its totient is φ = 46667939328.

The previous prime is 117885161179. The next prime is 117885161189. The reversal of 117885161180 is 81161588711.

It is a super-2 number, since 2×1178851611802 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117885161189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30380834 + ... + 30384713.

It is an arithmetic number, because the mean of its divisors is an integer number (10421291482).

Almost surely, 2117885161180 is an apocalyptic number.

117885161180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117885161180 is an abundant number, since it is smaller than the sum of its proper divisors (132225834388).

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

117885161180 is a wasteful number, since it uses less digits than its factorization.

117885161180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60765653 (or 60765651 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 47.

The spelling of 117885161180 in words is "one hundred seventeen billion, eight hundred eighty-five million, one hundred sixty-one thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 60765547 121531094 243062188 303827735 607655470 1215310940 5894258059 11788516118 23577032236 29471290295 58942580590 117885161180