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1304111120 = 245131253953
BaseRepresentation
bin100110110111011…
…0010100000010000
310100212220201010212
41031232302200100
510132323023440
6333223343252
744213522144
oct11556624020
93325821125
101304111120
1160a155a94
123048b1b28
1317a2472b0
14c52b1224
1579753465
hex4dbb2810

1304111120 has 40 divisors (see below), whose sum is σ = 3265296216. Its totient is φ = 481517568.

The previous prime is 1304111087. The next prime is 1304111129. The reversal of 1304111120 is 211114031.

It can be written as a sum of positive squares in 4 ways, for example, as 1478656 + 1302632464 = 1216^2 + 36092^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1304111095 and 1304111104.

It is not an unprimeable number, because it can be changed into a prime (1304111129) 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 7 ways as a sum of consecutive naturals, for example, 625937 + ... + 628016.

Almost surely, 21304111120 is an apocalyptic number.

1304111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304111120 is an abundant number, since it is smaller than the sum of its proper divisors (1961185096).

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

1304111120 is a wasteful number, since it uses less digits than its factorization.

1304111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253979 (or 1253973 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1304111120 is about 36112.4787296580. The cubic root of 1304111120 is about 1092.5421460525.

Adding to 1304111120 its reverse (211114031), we get a palindrome (1515225151).

The spelling of 1304111120 in words is "one billion, three hundred four million, one hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 1253953 2507906 5015812 6269765 10031624 12539530 16301389 20063248 25079060 32602778 50158120 65205556 81506945 100316240 130411112 163013890 260822224 326027780 652055560 1304111120