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117839841680 = 245114171157293
BaseRepresentation
bin110110110111111001…
…1010100100110010000
3102021011110110012100202
41231233303110212100
53412313444413210
6130045044434332
711341116061511
oct1555763244620
9367143405322
10117839841680
1145a80578210
121aa083a89a8
13b15c7c5492
1459bc4baa08
1530ea5089a5
hex1b6fcd4990

117839841680 has 320 divisors, whose sum is σ = 313530932736. Its totient is φ = 40814592000.

The previous prime is 117839841677. The next prime is 117839841683. The reversal of 117839841680 is 86148938711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (117839841677) and next prime (117839841683).

It is not an unprimeable number, because it can be changed into a prime (117839841683) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 402183614 + ... + 402183906.

Almost surely, 2117839841680 is an apocalyptic number.

117839841680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117839841680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156765466368).

117839841680 is an abundant number, since it is smaller than the sum of its proper divisors (195691091056).

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

117839841680 is a wasteful number, since it uses less digits than its factorization.

117839841680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 56.

The spelling of 117839841680 in words is "one hundred seventeen billion, eight hundred thirty-nine million, eight hundred forty-one thousand, six hundred eighty".