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10803107844 = 223217210192
BaseRepresentation
bin10100000111110101…
…00101100000000100
31000212212221201222100
422003322211200010
5134111043422334
64543552032100
7531465621144
oct120372454004
930785851870
1010803107844
114644088901
122115b32630
1310321bab09
14746a9a924
1543364ac99
hex283ea5804

10803107844 has 81 divisors (see below), whose sum is σ = 29037186997. Its totient is φ = 3385884288.

The previous prime is 10803107831. The next prime is 10803107849. The reversal of 10803107844 is 44870130801.

The square root of 10803107844 is 103938.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8410724100 + 2392383744 = 91710^2 + 48912^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10803107799 and 10803107808.

It is not an unprimeable number, because it can be changed into a prime (10803107849) 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 26 ways as a sum of consecutive naturals, for example, 10601167 + ... + 10602185.

Almost surely, 210803107844 is an apocalyptic number.

10803107844 is the 103938-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10803107844

10803107844 is an abundant number, since it is smaller than the sum of its proper divisors (18234079153).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10803107844 is a wasteful number, since it uses less digits than its factorization.

10803107844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

Multiplying 10803107844 by its sum of digits (36), we get a square (388911882384 = 6236282).

10803107844 divided by its sum of digits (36) gives a square (300086329 = 173232).

The spelling of 10803107844 in words is "ten billion, eight hundred three million, one hundred seven thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 289 306 578 612 867 1019 1156 1734 2038 2601 3057 3468 4076 5202 6114 9171 10404 12228 17323 18342 34646 36684 51969 69292 103938 155907 207876 294491 311814 588982 623628 883473 1038361 1177964 1766946 2076722 2650419 3115083 3533892 4153444 5300838 6230166 9345249 10601676 12460332 17652137 18690498 35304274 37380996 52956411 70608548 105912822 158869233 211825644 300086329 317738466 600172658 635476932 900258987 1200345316 1800517974 2700776961 3601035948 5401553922 10803107844