Search a number
-
+
1150230081 = 3711131722531
BaseRepresentation
bin100010010001111…
…0001111001000001
32222011100202001010
41010203301321001
54323424330311
6310045231133
740334536320
oct10443617101
92864322033
101150230081
11540302980
122812624a9
131543b9a20
14aca960b7
156aea8da6
hex448f1e41

1150230081 has 64 divisors (see below), whose sum is σ = 2180376576. Its totient is φ = 519091200.

The previous prime is 1150230073. The next prime is 1150230101. The reversal of 1150230081 is 1800320511.

It is not a de Polignac number, because 1150230081 - 23 = 1150230073 is a prime.

It is a super-2 number, since 2×11502300812 = 2646058478474533122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1150230181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39786 + ... + 62316.

It is an arithmetic number, because the mean of its divisors is an integer number (34068384).

Almost surely, 21150230081 is an apocalyptic number.

1150230081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1150230081 is a deficient number, since it is larger than the sum of its proper divisors (1030146495).

1150230081 is a wasteful number, since it uses less digits than its factorization.

1150230081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22582.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1150230081 is about 33915.0421052370. The cubic root of 1150230081 is about 1047.7594190806.

Adding to 1150230081 its reverse (1800320511), we get a palindrome (2950550592).

The spelling of 1150230081 in words is "one billion, one hundred fifty million, two hundred thirty thousand, eighty-one".

Divisors: 1 3 7 11 13 17 21 33 39 51 77 91 119 143 187 221 231 273 357 429 561 663 1001 1309 1547 2431 3003 3927 4641 7293 17017 22531 51051 67593 157717 247841 292903 383027 473151 743523 878709 1149081 1734887 2050321 2681189 3221933 4213297 4979351 5204661 6150963 8043567 9665799 12639891 14938053 22553531 29493079 34855457 54772861 67660593 88479237 104566371 164318583 383410027 1150230081