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13601827680 = 253572578309
BaseRepresentation
bin11001010101011101…
…10110101101100000
31022002221020102211120
430222232312231200
5210324031441210
610125410212240
7661031425200
oct145256665540
938087212746
1013601827680
11584a971501
122777284080
131389c8a45c
1493066a400
155491d1270
hex32abb6b60

13601827680 has 144 divisors (see below), whose sum is σ = 49841069040. Its totient is φ = 3108983808.

The previous prime is 13601827649. The next prime is 13601827691. The reversal of 13601827680 is 8672810631.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 265635 + ... + 312674.

It is an arithmetic number, because the mean of its divisors is an integer number (346118535).

Almost surely, 213601827680 is an apocalyptic number.

13601827680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13601827680 is an abundant number, since it is smaller than the sum of its proper divisors (36239241360).

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

13601827680 is a wasteful number, since it uses less digits than its factorization.

13601827680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578341 (or 578326 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 13601827680 in words is "thirteen billion, six hundred one million, eight hundred twenty-seven thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 49 56 60 70 80 84 96 98 105 112 120 140 147 160 168 196 210 224 240 245 280 294 336 392 420 480 490 560 588 672 735 784 840 980 1120 1176 1470 1568 1680 1960 2352 2940 3360 3920 4704 5880 7840 11760 23520 578309 1156618 1734927 2313236 2891545 3469854 4048163 4626472 5783090 6939708 8096326 8674635 9252944 11566180 12144489 13879416 16192652 17349270 18505888 20240815 23132360 24288978 27758832 28337141 32385304 34698540 40481630 46264720 48577956 55517664 56674282 60722445 64770608 69397080 80963260 85011423 92529440 97155912 113348564 121444890 129541216 138794160 141685705 161926520 170022846 194311824 226697128 242889780 277588320 283371410 323853040 340045692 388623648 425057115 453394256 485779560 566742820 647706080 680091384 850114230 906788512 971559120 1133485640 1360182768 1700228460 1943118240 2266971280 2720365536 3400456920 4533942560 6800913840 13601827680