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117080639 = 139006203
BaseRepresentation
bin1101111101010…
…00001000111111
322011022022102222
412332220020333
5214433040024
615341235555
72621111654
oct676501077
9264268388
10117080639
11600a8465
1233262bbb
131b3441b0
1411799c2b
15a42a85e
hex6fa823f

117080639 has 4 divisors (see below), whose sum is σ = 126086856. Its totient is φ = 108074424.

The previous prime is 117080629. The next prime is 117080653. The reversal of 117080639 is 936080711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 936080711 = 4312171881.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-117080639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117080599 and 117080608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117080609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4503089 + ... + 4503114.

It is an arithmetic number, because the mean of its divisors is an integer number (31521714).

Almost surely, 2117080639 is an apocalyptic number.

117080639 is a deficient number, since it is larger than the sum of its proper divisors (9006217).

117080639 is an equidigital number, since it uses as much as digits as its factorization.

117080639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9006216.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 117080639 is about 10820.3807234311. The cubic root of 117080639 is about 489.2096644275.

The spelling of 117080639 in words is "one hundred seventeen million, eighty thousand, six hundred thirty-nine".

Divisors: 1 13 9006203 117080639