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1131023050 = 25287725793
BaseRepresentation
bin100001101101010…
…0000101011001010
32220211012220221121
41003122200223022
54304020214200
6304121425454
740012352203
oct10332405312
92824186847
101131023050
115304843a3
1227693b28a
13150423511
14aa2d65aa
1569462e1a
hex436a0aca

1131023050 has 24 divisors (see below), whose sum is σ = 2106183276. Its totient is φ = 451875840.

The previous prime is 1131023009. The next prime is 1131023053. The reversal of 1131023050 is 503201311.

It can be written as a sum of positive squares in 6 ways, for example, as 335952241 + 795070809 = 18329^2 + 28197^2 .

It is not an unprimeable number, because it can be changed into a prime (1131023053) 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 11 ways as a sum of consecutive naturals, for example, 30954 + ... + 56746.

Almost surely, 21131023050 is an apocalyptic number.

1131023050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131023050 is a deficient number, since it is larger than the sum of its proper divisors (975160226).

1131023050 is a wasteful number, since it uses less digits than its factorization.

1131023050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26682 (or 26677 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1131023050 is about 33630.6861363250. The cubic root of 1131023050 is about 1041.8946754923.

Adding to 1131023050 its reverse (503201311), we get a palindrome (1634224361).

The spelling of 1131023050 in words is "one billion, one hundred thirty-one million, twenty-three thousand, fifty".

Divisors: 1 2 5 10 25 50 877 1754 4385 8770 21925 25793 43850 51586 128965 257930 644825 1289650 22620461 45240922 113102305 226204610 565511525 1131023050