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805484464272 = 243323238334019
BaseRepresentation
bin10111011100010101001…
…11011000100010010000
32212000002121010101121000
423232022213120202100
5101144113010324042
61414011235302000
7112123440656535
oct13561247304220
92760077111530
10805484464272
11290670a879a4
1211013714a900
135ac592b0bc7
142adb28d6d8c
1515e44a4374c
hexbb8a9d8890

805484464272 has 160 divisors (see below), whose sum is σ = 2413645516800. Its totient is φ = 256705815168.

The previous prime is 805484464247. The next prime is 805484464273. The reversal of 805484464272 is 272464484508.

It is a happy number.

805484464272 is a `hidden beast` number, since 80 + 5 + 4 + 84 + 464 + 27 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (805484464273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23660479 + ... + 23694497.

It is an arithmetic number, because the mean of its divisors is an integer number (15085284480).

Almost surely, 2805484464272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805484464272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206822758400).

805484464272 is an abundant number, since it is smaller than the sum of its proper divisors (1608161052528).

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

805484464272 is a wasteful number, since it uses less digits than its factorization.

805484464272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36442 (or 36430 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 54.

The spelling of 805484464272 in words is "eight hundred five billion, four hundred eighty-four million, four hundred sixty-four thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 27 36 46 48 54 69 72 92 108 138 144 184 207 216 276 368 414 432 552 621 828 1104 1242 1656 2383 2484 3312 4766 4968 7149 9532 9936 14298 19064 21447 28596 34019 38128 42894 54809 57192 64341 68038 85788 102057 109618 114384 128682 136076 164427 171576 204114 219236 257364 272152 306171 328854 343152 408228 438472 493281 514728 544304 612342 657708 782437 816456 876944 918513 986562 1029456 1224684 1315416 1479843 1564874 1632912 1837026 1973124 2347311 2449368 2630832 2959686 3129748 3674052 3946248 4694622 4898736 5919372 6259496 7041933 7348104 7892496 9389244 11838744 12518992 14083866 14696208 18778488 21125799 23677488 28167732 37556976 42251598 56335464 81067277 84503196 112670928 162134554 169006392 243201831 324269108 338012784 486403662 648538216 729605493 972807324 1297076432 1459210986 1864547371 1945614648 2188816479 2918421972 3729094742 3891229296 4377632958 5593642113 5836843944 7458189484 8755265916 11187284226 11673687888 14916378968 16780926339 17510531832 22374568452 29832757936 33561852678 35021063664 44749136904 50342779017 67123705356 89498273808 100685558034 134247410712 201371116068 268494821424 402742232136 805484464272