Search a number
-
+
136111843 = 7172334909
BaseRepresentation
bin10000001110011…
…10011011100011
3100111010012100101
420013032123203
5234321034333
621301203231
73241634350
oct1007163343
9314105311
10136111843
116a91692a
1239700517
132227866a
1414111627
15be3967d
hex81ce6e3

136111843 has 16 divisors (see below), whose sum is σ = 165447360. Its totient is φ = 109310976.

The previous prime is 136111817. The next prime is 136111849. The reversal of 136111843 is 348111631.

136111843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-136111843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136111849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25273 + ... + 30181.

It is an arithmetic number, because the mean of its divisors is an integer number (10340460).

Almost surely, 2136111843 is an apocalyptic number.

136111843 is a deficient number, since it is larger than the sum of its proper divisors (29335517).

136111843 is a wasteful number, since it uses less digits than its factorization.

136111843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5166.

The product of its digits is 1728, while the sum is 28.

The square root of 136111843 is about 11666.6980332912. The cubic root of 136111843 is about 514.3972500190.

The spelling of 136111843 in words is "one hundred thirty-six million, one hundred eleven thousand, eight hundred forty-three".

Divisors: 1 7 17 119 233 1631 3961 4909 27727 34363 83453 584171 1143797 8006579 19444549 136111843