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1141881839 = 7223303711
BaseRepresentation
bin100010000001111…
…1011101111101111
32221120122121101222
41010003323233233
54314310204324
6305150253555
740203556400
oct10403735757
92846577358
101141881839
115366207aa
1227a4b72bb
13152755c37
14ab9219a7
156a3aa55e
hex440fbbef

1141881839 has 6 divisors (see below), whose sum is σ = 1328311584. Its totient is φ = 978755820.

The previous prime is 1141881833. The next prime is 1141881847. The reversal of 1141881839 is 9381881411.

It is a happy number.

It is not a de Polignac number, because 1141881839 - 216 = 1141816303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141881839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141881833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11651807 + ... + 11651904.

It is an arithmetic number, because the mean of its divisors is an integer number (221385264).

Almost surely, 21141881839 is an apocalyptic number.

1141881839 is a deficient number, since it is larger than the sum of its proper divisors (186429745).

1141881839 is an equidigital number, since it uses as much as digits as its factorization.

1141881839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23303725 (or 23303718 counting only the distinct ones).

The product of its digits is 55296, while the sum is 44.

The square root of 1141881839 is about 33791.7421717200. The cubic root of 1141881839 is about 1045.2184212588.

The spelling of 1141881839 in words is "one billion, one hundred forty-one million, eight hundred eighty-one thousand, eight hundred thirty-nine".

Divisors: 1 7 49 23303711 163125977 1141881839