Search a number
-
+
1310330445400 = 235259831337891
BaseRepresentation
bin10011000100010101110…
…001111101111001011000
311122021012011220110020001
4103010111301331321120
5132432024043223100
62441542452542344
7163445132005114
oct23042561757130
94567164813201
101310330445400
11465787415779
12191b4b0219b4
13967433b2322
14475c5568744
1524140d07d6a
hex13115c7de58

1310330445400 has 96 divisors (see below), whose sum is σ = 3135483691200. Its totient is φ = 509040387200.

The previous prime is 1310330445329. The next prime is 1310330445461. The reversal of 1310330445400 is 45440330131.

It is a super-2 number, since 2×13103304454002 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310455 + ... + 1648345.

It is an arithmetic number, because the mean of its divisors is an integer number (32661288450).

Almost surely, 21310330445400 is an apocalyptic number.

1310330445400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1310330445400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1567741845600).

1310330445400 is an abundant number, since it is smaller than the sum of its proper divisors (1825153245800).

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

1310330445400 is a wasteful number, since it uses less digits than its factorization.

1310330445400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338049 (or 1338040 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 1310330445400 its reverse (45440330131), we get a palindrome (1355770775531).

The spelling of 1310330445400 in words is "one trillion, three hundred ten billion, three hundred thirty million, four hundred forty-five thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 59 83 100 118 166 200 236 295 332 415 472 590 664 830 1180 1475 1660 2075 2360 2950 3320 4150 4897 5900 8300 9794 11800 16600 19588 24485 39176 48970 97940 122425 195880 244850 489700 979400 1337891 2675782 5351564 6689455 10703128 13378910 26757820 33447275 53515640 66894550 78935569 111044953 133789100 157871138 222089906 267578200 315742276 394677845 444179812 555224765 631484552 789355690 888359624 1110449530 1578711380 1973389225 2220899060 2776123825 3157422760 3946778450 4441798120 5552247650 6551652227 7893556900 11104495300 13103304454 15787113800 22208990600 26206608908 32758261135 52413217816 65516522270 131033044540 163791305675 262066089080 327582611350 655165222700 1310330445400