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1330311320 = 235133769143
BaseRepresentation
bin100111101001010…
…1111000010011000
310102201012211001122
41033102233002120
510211024430240
6340001104412
744652313442
oct11722570230
93381184048
101330311320
11622a20648
12311628108
131827bb880
14c8971492
157bbcb4b5
hex4f4af098

1330311320 has 64 divisors (see below), whose sum is σ = 3310614720. Its totient is φ = 477909504.

The previous prime is 1330311271. The next prime is 1330311343. The reversal of 1330311320 is 231130331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15332 + ... + 53811.

It is an arithmetic number, because the mean of its divisors is an integer number (51728355).

Almost surely, 21330311320 is an apocalyptic number.

1330311320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330311320 is an abundant number, since it is smaller than the sum of its proper divisors (1980303400).

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

1330311320 is a wasteful number, since it uses less digits than its factorization.

1330311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69204 (or 69200 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1330311320 is about 36473.4330712095. The cubic root of 1330311320 is about 1099.8102482611.

Adding to 1330311320 its reverse (231130331), we get a palindrome (1561441651).

The spelling of 1330311320 in words is "one billion, three hundred thirty million, three hundred eleven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 37 40 52 65 74 104 130 148 185 260 296 370 481 520 740 962 1480 1924 2405 3848 4810 9620 19240 69143 138286 276572 345715 553144 691430 898859 1382860 1797718 2558291 2765720 3595436 4494295 5116582 7190872 8988590 10233164 12791455 17977180 20466328 25582910 33257783 35954360 51165820 66515566 102331640 133031132 166288915 266062264 332577830 665155660 1330311320