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1089113141 = 1171930071
BaseRepresentation
bin100000011101010…
…1000110000110101
32210220100200100202
41000322220300311
54212303110031
6300023250245
735663210654
oct10072506065
92726320322
101089113141
11509859906
122648a9985
1314483b55c
14a490719b
15659352cb
hex40ea8c35

1089113141 has 4 divisors (see below), whose sum is σ = 1090044384. Its totient is φ = 1088181900.

The previous prime is 1089113119. The next prime is 1089113161. The reversal of 1089113141 is 1413119801.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1413119801 = 2948728269.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1089113141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089113161) 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 3 ways as a sum of consecutive naturals, for example, 463865 + ... + 466206.

It is an arithmetic number, because the mean of its divisors is an integer number (272511096).

Almost surely, 21089113141 is an apocalyptic number.

It is an amenable number.

1089113141 is a deficient number, since it is larger than the sum of its proper divisors (931243).

1089113141 is an equidigital number, since it uses as much as digits as its factorization.

1089113141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931242.

The product of its (nonzero) digits is 864, while the sum is 29.

The square root of 1089113141 is about 33001.7142130526. The cubic root of 1089113141 is about 1028.8632763862.

The spelling of 1089113141 in words is "one billion, eighty-nine million, one hundred thirteen thousand, one hundred forty-one".

Divisors: 1 1171 930071 1089113141