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1141130461 = 7271569643
BaseRepresentation
bin100010000000100…
…0100010011011101
32221112020102201011
41010001010103131
54314112133321
6305122215221
740164306652
oct10401042335
92845212634
101141130461
11536158229
1227a1b4511
13152551c33
14ab7a7c29
156a2acae1
hex440444dd

1141130461 has 4 divisors (see below), whose sum is σ = 1142700832. Its totient is φ = 1139560092.

The previous prime is 1141130453. The next prime is 1141130467. The reversal of 1141130461 is 1640311411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1141130461 - 23 = 1141130453 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 (1141130467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784095 + ... + 785548.

It is an arithmetic number, because the mean of its divisors is an integer number (285675208).

Almost surely, 21141130461 is an apocalyptic number.

It is an amenable number.

1141130461 is a deficient number, since it is larger than the sum of its proper divisors (1570371).

1141130461 is an equidigital number, since it uses as much as digits as its factorization.

1141130461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570370.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1141130461 is about 33780.6225667912. The cubic root of 1141130461 is about 1044.9891136889.

Adding to 1141130461 its reverse (1640311411), we get a palindrome (2781441872).

The spelling of 1141130461 in words is "one billion, one hundred forty-one million, one hundred thirty thousand, four hundred sixty-one".

Divisors: 1 727 1569643 1141130461