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117361205 = 5132138889
BaseRepresentation
bin1101111111011…
…00101000110101
322011211120022022
412333230220311
5220021024310
615351242525
72623360643
oct677545065
9264746268
10117361205
116027a235
1233379445
131b411b00
1411830193
15a483a55
hex6feca35

117361205 has 12 divisors (see below), whose sum is σ = 152501220. Its totient is φ = 86666112.

The previous prime is 117361199. The next prime is 117361213. The reversal of 117361205 is 502163711.

It can be written as a sum of positive squares in 6 ways, for example, as 65189476 + 52171729 = 8074^2 + 7223^2 .

It is not a de Polignac number, because 117361205 - 210 = 117360181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68600 + ... + 70289.

It is an arithmetic number, because the mean of its divisors is an integer number (12708435).

Almost surely, 2117361205 is an apocalyptic number.

It is an amenable number.

117361205 is a deficient number, since it is larger than the sum of its proper divisors (35140015).

117361205 is a wasteful number, since it uses less digits than its factorization.

117361205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138920 (or 138907 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 117361205 is about 10833.3376666658. The cubic root of 117361205 is about 489.6001249630.

The spelling of 117361205 in words is "one hundred seventeen million, three hundred sixty-one thousand, two hundred five".

Divisors: 1 5 13 65 169 845 138889 694445 1805557 9027785 23472241 117361205