Search a number
-
+
11100161 = 195373151
BaseRepresentation
bin101010010110…
…000000000001
3202212221120002
4222112000001
510320201121
61033525345
7163230662
oct52260001
922787502
1011100161
1162a1796
123873855
1323b8557
14168d369
15e93e0b
hexa96001

11100161 has 16 divisors (see below), whose sum is σ = 12147840. Its totient is φ = 10108800.

The previous prime is 11100143. The next prime is 11100179. The reversal of 11100161 is 16100111.

It is an interprime number because it is at equal distance from previous prime (11100143) and next prime (11100179).

It is a cyclic number.

It is not a de Polignac number, because 11100161 - 26 = 11100097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11100101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73436 + ... + 73586.

It is an arithmetic number, because the mean of its divisors is an integer number (759240).

It is a Proth number, since it is equal to 1355 ⋅ 213 + 1 and 1355 < 213.

Almost surely, 211100161 is an apocalyptic number.

It is an amenable number.

11100161 is a deficient number, since it is larger than the sum of its proper divisors (1047679).

11100161 is a wasteful number, since it uses less digits than its factorization.

11100161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 11100161 is about 3331.6904117880. The cubic root of 11100161 is about 223.0709889485.

Adding to 11100161 its reverse (16100111), we get a palindrome (27200272).

The spelling of 11100161 in words is "eleven million, one hundred thousand, one hundred sixty-one".

Divisors: 1 19 53 73 151 1007 1387 2869 3869 8003 11023 73511 152057 209437 584219 11100161