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1304431022120 = 235317102873109
BaseRepresentation
bin10010111110110110001…
…001011101000000101000
311121200222001002200212112
4102332312021131000220
5132332433320201440
62435125231501452
7163146005513252
oct22766611350050
94550861080775
101304431022120
1146322a33a746
12190983387888
13960130cc715
14471c5c5acd2
1523de7e3a965
hex12fb625d028

1304431022120 has 32 divisors (see below), whose sum is σ = 2944228408200. Its totient is φ = 520126434048.

The previous prime is 1304431022119. The next prime is 1304431022129. The reversal of 1304431022120 is 212201344031.

It can be written as a sum of positive squares in 4 ways, for example, as 984710890276 + 319720131844 = 992326^2 + 565438^2 .

It is not an unprimeable number, because it can be changed into a prime (1304431022129) by changing a digit.

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, 51423875 + ... + 51449234.

Almost surely, 21304431022120 is an apocalyptic number.

1304431022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304431022120 is an abundant number, since it is smaller than the sum of its proper divisors (1639797386080).

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

1304431022120 is a wasteful number, since it uses less digits than its factorization.

1304431022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102873437 (or 102873433 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1304431022120 its reverse (212201344031), we get a palindrome (1516632366151).

The spelling of 1304431022120 in words is "one trillion, three hundred four billion, four hundred thirty-one million, twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 317 634 1268 1585 2536 3170 6340 12680 102873109 205746218 411492436 514365545 822984872 1028731090 2057462180 4114924360 32610775553 65221551106 130443102212 163053877765 260886204424 326107755530 652215511060 1304431022120