Search a number
-
+
196105117 = 1315085009
BaseRepresentation
bin10111011000001…
…01001110011101
3111200000011122111
423230011032131
5400200330432
631243114021
74600603015
oct1354051635
9450004574
10196105117
11a077274a
1255812911
1331822540
141c08ac45
151233a347
hexbb0539d

196105117 has 4 divisors (see below), whose sum is σ = 211190140. Its totient is φ = 181020096.

The previous prime is 196105111. The next prime is 196105121. The reversal of 196105117 is 711501691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 711501691 = 1375193443.

It can be written as a sum of positive squares in 2 ways, for example, as 85729081 + 110376036 = 9259^2 + 10506^2 .

It is a cyclic number.

It is not a de Polignac number, because 196105117 - 223 = 187716509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196105111) 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, 7542492 + ... + 7542517.

It is an arithmetic number, because the mean of its divisors is an integer number (52797535).

Almost surely, 2196105117 is an apocalyptic number.

It is an amenable number.

196105117 is a deficient number, since it is larger than the sum of its proper divisors (15085023).

196105117 is a wasteful number, since it uses less digits than its factorization.

196105117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15085022.

The product of its (nonzero) digits is 1890, while the sum is 31.

The square root of 196105117 is about 14003.7536753543. The cubic root of 196105117 is about 580.9823986973.

The spelling of 196105117 in words is "one hundred ninety-six million, one hundred five thousand, one hundred seventeen".

Divisors: 1 13 15085009 196105117