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18080713296 = 2433316122133
BaseRepresentation
bin10000110101101100…
…011100101001010000
31201200002001101212000
4100311230130221100
5244012130311141
612150044234000
71210025345562
oct206554345120
951602041760
1018080713296
117739100568
12360723b900
131921b80529
14c3743b332
1570c4ed5b6
hex435b1ca50

18080713296 has 160 divisors (see below), whose sum is σ = 54453181440. Its totient is φ = 5736614400.

The previous prime is 18080713271. The next prime is 18080713309. The reversal of 18080713296 is 69231708081.

18080713296 is a `hidden beast` number, since 180 + 80 + 71 + 329 + 6 = 666.

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, 805846 + ... + 827978.

It is an arithmetic number, because the mean of its divisors is an integer number (340332384).

Almost surely, 218080713296 is an apocalyptic number.

18080713296 is a gapful number since it is divisible by the number (16) 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 18080713296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27226590720).

18080713296 is an abundant number, since it is smaller than the sum of its proper divisors (36372468144).

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

18080713296 is a wasteful number, since it uses less digits than its factorization.

18080713296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22242 (or 22230 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 18080713296 in words is "eighteen billion, eighty million, seven hundred thirteen thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 31 36 48 54 61 62 72 93 108 122 124 144 183 186 216 244 248 279 366 372 432 488 496 549 558 732 744 837 976 1098 1116 1464 1488 1647 1674 1891 2196 2232 2928 3294 3348 3782 4392 4464 5673 6588 6696 7564 8784 11346 13176 13392 15128 17019 22133 22692 26352 30256 34038 44266 45384 51057 66399 68076 88532 90768 102114 132798 136152 177064 199197 204228 265596 272304 354128 398394 408456 531192 597591 686123 796788 816912 1062384 1195182 1350113 1372246 1593576 2058369 2390364 2700226 2744492 3187152 4050339 4116738 4780728 5400452 5488984 6175107 8100678 8233476 9561456 10800904 10977968 12151017 12350214 16201356 16466952 18525321 21601808 24302034 24700428 32402712 32933904 36453051 37050642 41853503 48604068 49400856 64805424 72906102 74101284 83707006 97208136 98801712 125560509 145812204 148202568 167414012 194416272 251121018 291624408 296405136 334828024 376681527 502242036 583248816 669656048 753363054 1004484072 1130044581 1506726108 2008968144 2260089162 3013452216 4520178324 6026904432 9040356648 18080713296