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117068181 = 341993133
BaseRepresentation
bin1101111101001…
…01000110010101
322011021200100120
412332211012111
5214432140211
615341102153
72621030436
oct676450625
9264250316
10117068181
116009a06a
1233257959
131b33b619
141179548d
15a426d06
hex6fa5195

117068181 has 8 divisors (see below), whose sum is σ = 156465120. Its totient is φ = 77858352.

The previous prime is 117068153. The next prime is 117068201. The reversal of 117068181 is 181860711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117068181 - 27 = 117068053 is a prime.

It is a super-2 number, since 2×1170681812 = 27409918005297522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117068141) 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, 45310 + ... + 47823.

It is an arithmetic number, because the mean of its divisors is an integer number (19558140).

Almost surely, 2117068181 is an apocalyptic number.

It is an amenable number.

117068181 is a deficient number, since it is larger than the sum of its proper divisors (39396939).

117068181 is an equidigital number, since it uses as much as digits as its factorization.

117068181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93555.

The product of its (nonzero) digits is 2688, while the sum is 33.

The square root of 117068181 is about 10819.8050352120. The cubic root of 117068181 is about 489.1923123123.

The spelling of 117068181 in words is "one hundred seventeen million, sixty-eight thousand, one hundred eighty-one".

Divisors: 1 3 419 1257 93133 279399 39022727 117068181