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1320144230 = 25701188323
BaseRepresentation
bin100111010101111…
…1100110101100110
310102000002021102202
41032223330311212
510200424103410
6334555134502
744500016666
oct11653746546
93360067382
101320144230
11618206999
1230a144432
1318066bc42
14c74861a6
157ad6dca5
hex4eafcd66

1320144230 has 16 divisors (see below), whose sum is σ = 2379662064. Its totient is φ = 527301600.

The previous prime is 1320144229. The next prime is 1320144311. The reversal of 1320144230 is 324410231.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 87152 + ... + 101171.

It is an arithmetic number, because the mean of its divisors is an integer number (148728879).

Almost surely, 21320144230 is an apocalyptic number.

1320144230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320144230 is a deficient number, since it is larger than the sum of its proper divisors (1059517834).

1320144230 is a wasteful number, since it uses less digits than its factorization.

1320144230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189031.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1320144230 is about 36333.7890950008. The cubic root of 1320144230 is about 1097.0012622460.

Adding to 1320144230 its reverse (324410231), we get a palindrome (1644554461).

The spelling of 1320144230 in words is "one billion, three hundred twenty million, one hundred forty-four thousand, two hundred thirty".

Divisors: 1 2 5 10 701 1402 3505 7010 188323 376646 941615 1883230 132014423 264028846 660072115 1320144230