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13380120 = 2333513953
BaseRepresentation
bin110011000010…
…101000011000
3221011210002000
4303002220120
511411130440
61154441000
7221505045
oct63025030
927153060
1013380120
117609756
124593160
132a06240
141ac41cc
151294730
hexcc2a18

13380120 has 128 divisors (see below), whose sum is σ = 48081600. Its totient is φ = 3290112.

The previous prime is 13380119. The next prime is 13380131. The reversal of 13380120 is 2108331.

It is a super-2 number, since 2×133801202 = 358055222428800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13380093 and 13380102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13564 + ... + 14516.

Almost surely, 213380120 is an apocalyptic number.

13380120 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 13380120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24040800).

13380120 is an abundant number, since it is smaller than the sum of its proper divisors (34701480).

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

13380120 is a wasteful number, since it uses less digits than its factorization.

13380120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 13380120 is about 3657.8846345942. The cubic root of 13380120 is about 237.4032551488.

Adding to 13380120 its reverse (2108331), we get a palindrome (15488451).

The spelling of 13380120 in words is "thirteen million, three hundred eighty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 30 36 39 40 45 52 54 60 65 72 78 90 104 108 117 120 130 135 156 180 195 216 234 260 270 312 351 360 390 468 520 540 585 702 780 936 953 1080 1170 1404 1560 1755 1906 2340 2808 2859 3510 3812 4680 4765 5718 7020 7624 8577 9530 11436 12389 14040 14295 17154 19060 22872 24778 25731 28590 34308 37167 38120 42885 49556 51462 57180 61945 68616 74334 85770 99112 102924 111501 114360 123890 128655 148668 171540 185835 205848 223002 247780 257310 297336 334503 343080 371670 446004 495560 514620 557505 669006 743340 892008 1029240 1115010 1338012 1486680 1672515 2230020 2676024 3345030 4460040 6690060 13380120