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117751938340 = 22537159124241
BaseRepresentation
bin110110110101010001…
…1111111110100100100
3102020221100001020122111
41231222203333310210
53412123444011330
6130032224410404
711336000650531
oct1555243776444
9366840036574
10117751938340
1145a35999123
121a9a2a76a04
13b14752897a
1459b0957d88
1530e294332a
hex1b6a8ffd24

117751938340 has 24 divisors (see below), whose sum is σ = 253962290232. Its totient is φ = 45827781120.

The previous prime is 117751938331. The next prime is 117751938347. The reversal of 117751938340 is 43839157711.

It can be written as a sum of positive squares in 4 ways, for example, as 14239171584 + 103512766756 = 119328^2 + 321734^2 .

It is not an unprimeable number, because it can be changed into a prime (117751938347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79561381 + ... + 79562860.

It is an arithmetic number, because the mean of its divisors is an integer number (10581762093).

Almost surely, 2117751938340 is an apocalyptic number.

117751938340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117751938340 is an abundant number, since it is smaller than the sum of its proper divisors (136210351892).

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

117751938340 is a wasteful number, since it uses less digits than its factorization.

117751938340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159124287 (or 159124285 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 117751938340 in words is "one hundred seventeen billion, seven hundred fifty-one million, nine hundred thirty-eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 159124241 318248482 636496964 795621205 1591242410 3182484820 5887596917 11775193834 23550387668 29437984585 58875969170 117751938340