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117127930 = 2561192013
BaseRepresentation
bin1101111101100…
…11101011111010
322011101201022111
412332303223322
5214441043210
615342242534
72621366563
oct676635372
9264351274
10117127930
116012aa47
123328644a
131b35c88a
14117ad16a
15a43988a
hex6fb3afa

117127930 has 16 divisors (see below), whose sum is σ = 214287624. Its totient is φ = 46082880.

The previous prime is 117127877. The next prime is 117127931. The reversal of 117127930 is 39721711.

It can be written as a sum of positive squares in 4 ways, for example, as 99141849 + 17986081 = 9957^2 + 4241^2 .

It is a junction number, because it is equal to n+sod(n) for n = 117127892 and 117127901.

It is not an unprimeable number, because it can be changed into a prime (117127931) 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, 95397 + ... + 96616.

Almost surely, 2117127930 is an apocalyptic number.

117127930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117127930 is a deficient number, since it is larger than the sum of its proper divisors (97159694).

117127930 is a wasteful number, since it uses less digits than its factorization.

117127930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192081.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 117127930 is about 10822.5657771159. The cubic root of 117127930 is about 489.2755224555.

The spelling of 117127930 in words is "one hundred seventeen million, one hundred twenty-seven thousand, nine hundred thirty".

Divisors: 1 2 5 10 61 122 305 610 192013 384026 960065 1920130 11712793 23425586 58563965 117127930