Search a number
-
+
1150515149 = 7253443017
BaseRepresentation
bin100010010010011…
…0111011111001101
32222011220020002012
41010210313133031
54324012441044
6310055311005
740340134400
oct10444673715
92864806065
101150515149
11540488073
1228137b465
131544896c4
14acb2bd37
156b01359e
hex449377cd

1150515149 has 12 divisors (see below), whose sum is σ = 1363609404. Its totient is φ = 967546944.

The previous prime is 1150515133. The next prime is 1150515187. The reversal of 1150515149 is 9415150511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 688695049 + 461820100 = 26243^2 + 21490^2 .

It is not a de Polignac number, because 1150515149 - 24 = 1150515133 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 (1150517149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218912 + ... + 224105.

It is an arithmetic number, because the mean of its divisors is an integer number (113634117).

Almost surely, 21150515149 is an apocalyptic number.

It is an amenable number.

1150515149 is a deficient number, since it is larger than the sum of its proper divisors (213094255).

1150515149 is an equidigital number, since it uses as much as digits as its factorization.

1150515149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443084 (or 443077 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 32.

The square root of 1150515149 is about 33919.2445228369. The cubic root of 1150515149 is about 1047.8459693038.

The spelling of 1150515149 in words is "one billion, one hundred fifty million, five hundred fifteen thousand, one hundred forty-nine".

Divisors: 1 7 49 53 371 2597 443017 3101119 21707833 23479901 164359307 1150515149