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117902854740 = 223511178640689
BaseRepresentation
bin110110111001110001…
…1101100101001010100
3102021022212000121000210
41231303203230221110
53412431112322430
6130055215205420
711342512505166
oct1556343545124
9367285017023
10117902854740
11460030a6920
121aa25516870
13b16c888a08
1459c6a00936
153100d042b0
hex1b738eca54

117902854740 has 48 divisors (see below), whose sum is σ = 360139631040. Its totient is φ = 28582510080.

The previous prime is 117902854687. The next prime is 117902854747. The reversal of 117902854740 is 47458209711.

It is a self number, because there is not a number n which added to its sum of digits gives 117902854740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117902854747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89319685 + ... + 89321004.

It is an arithmetic number, because the mean of its divisors is an integer number (7502908980).

Almost surely, 2117902854740 is an apocalyptic number.

117902854740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117902854740 is an abundant number, since it is smaller than the sum of its proper divisors (242236776300).

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

117902854740 is a wasteful number, since it uses less digits than its factorization.

117902854740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178640712 (or 178640710 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 117902854740 in words is "one hundred seventeen billion, nine hundred two million, eight hundred fifty-four thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 178640689 357281378 535922067 714562756 893203445 1071844134 1786406890 1965047579 2143688268 2679610335 3572813780 3930095158 5359220670 5895142737 7860190316 9825237895 10718441340 11790285474 19650475790 23580570948 29475713685 39300951580 58951427370 117902854740