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20118106 = 217591709
BaseRepresentation
bin100110010111…
…1101001011010
31101212002212001
41030233221122
520122234411
61555111214
7333000241
oct114575132
941762761
1020118106
11103a1038
1268a250a
134225108
142959958
151b75dc1
hex132fa5a

20118106 has 8 divisors (see below), whose sum is σ = 31952340. Its totient is φ = 9467328.

The previous prime is 20118103. The next prime is 20118107. The reversal of 20118106 is 60181102.

It can be written as a sum of positive squares in 2 ways, for example, as 19280881 + 837225 = 4391^2 + 915^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20118103) 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, 295821 + ... + 295888.

Almost surely, 220118106 is an apocalyptic number.

20118106 is a deficient number, since it is larger than the sum of its proper divisors (11834234).

20118106 is a wasteful number, since it uses less digits than its factorization.

20118106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591728.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 20118106 is about 4485.3211702174. The cubic root of 20118106 is about 271.9750283447.

Adding to 20118106 its reverse (60181102), we get a palindrome (80299208).

The spelling of 20118106 in words is "twenty million, one hundred eighteen thousand, one hundred six".

Divisors: 1 2 17 34 591709 1183418 10059053 20118106