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132118217 = 7111715821
BaseRepresentation
bin1111101111111…
…11011011001001
3100012121022010022
413313333123021
5232310240332
621035430225
73162662210
oct767773311
9305538108
10132118217
1168639410
12382b5375
13214aa97a
1413792077
15b8eb212
hex7dff6c9

132118217 has 8 divisors (see below), whose sum is σ = 164718912. Its totient is φ = 102949200.

The previous prime is 132118199. The next prime is 132118219. The reversal of 132118217 is 712811231.

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

It is a cyclic number.

It is not a de Polignac number, because 132118217 - 28 = 132117961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132118219) 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, 857834 + ... + 857987.

It is an arithmetic number, because the mean of its divisors is an integer number (20589864).

Almost surely, 2132118217 is an apocalyptic number.

It is an amenable number.

132118217 is a deficient number, since it is larger than the sum of its proper divisors (32600695).

132118217 is a wasteful number, since it uses less digits than its factorization.

132118217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715839.

The product of its digits is 672, while the sum is 26.

The square root of 132118217 is about 11494.2688762705. The cubic root of 132118217 is about 509.3162913104.

Adding to 132118217 its reverse (712811231), we get a palindrome (844929448).

The spelling of 132118217 in words is "one hundred thirty-two million, one hundred eighteen thousand, two hundred seventeen".

Divisors: 1 7 11 77 1715821 12010747 18874031 132118217