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13388672160 = 2532519148679
BaseRepresentation
bin11000111100000011…
…01110110010100000
31021120002011000102200
430132001232302200
5204410000002120
610052313413200
7652532556423
oct143601566240
937502130380
1013388672160
115750613616
122717a0a200
131354a78226
149102219ba
15535628e90
hex31e06eca0

13388672160 has 144 divisors (see below), whose sum is σ = 45928995840. Its totient is φ = 3551546880.

The previous prime is 13388672147. The next prime is 13388672207. The reversal of 13388672160 is 6127688331.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 250701 + ... + 299379.

It is an arithmetic number, because the mean of its divisors is an integer number (318951360).

Almost surely, 213388672160 is an apocalyptic number.

13388672160 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 13388672160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22964497920).

13388672160 is an abundant number, since it is smaller than the sum of its proper divisors (32540323680).

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

13388672160 is a wasteful number, since it uses less digits than its factorization.

13388672160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48891 (or 48880 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 13388672160 in words is "thirteen billion, three hundred eighty-eight million, six hundred seventy-two thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 191 240 288 360 382 480 573 720 764 955 1146 1440 1528 1719 1910 2292 2865 3056 3438 3820 4584 5730 6112 6876 7640 8595 9168 11460 13752 15280 17190 18336 22920 27504 30560 34380 45840 48679 55008 68760 91680 97358 137520 146037 194716 243395 275040 292074 389432 438111 486790 584148 730185 778864 876222 973580 1168296 1460370 1557728 1752444 1947160 2190555 2336592 2920740 3504888 3894320 4381110 4673184 5841480 7009776 7788640 8762220 9297689 11682960 14019552 17524440 18595378 23365920 27893067 35048880 37190756 46488445 55786134 70097760 74381512 83679201 92976890 111572268 139465335 148763024 167358402 185953780 223144536 278930670 297526048 334716804 371907560 418396005 446289072 557861340 669433608 743815120 836792010 892578144 1115722680 1338867216 1487630240 1673584020 2231445360 2677734432 3347168040 4462890720 6694336080 13388672160