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216760768272 = 243219761104107
BaseRepresentation
bin1100100111011111110…
…0101101011100010000
3202201111102121221011200
43021313330231130100
512022411224041042
6243324543311200
721442351062426
oct3116774553420
9681442557150
10216760768272
1183a22891504
12360148ab500
13175958a0339
14a6c40c9116
155989b42c4c
hex3277f2d710

216760768272 has 120 divisors (see below), whose sum is σ = 639402185760. Its totient is φ = 68360163840.

The previous prime is 216760768223. The next prime is 216760768297. The reversal of 216760768272 is 272867067612.

216760768272 is a `hidden beast` number, since 2 + 1 + 6 + 7 + 607 + 6 + 8 + 27 + 2 = 666.

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, 2030043 + ... + 2134149.

It is an arithmetic number, because the mean of its divisors is an integer number (5328351548).

Almost surely, 2216760768272 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 216760768272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319701092880).

216760768272 is an abundant number, since it is smaller than the sum of its proper divisors (422641417488).

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

216760768272 is a wasteful number, since it uses less digits than its factorization.

216760768272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104901 (or 104892 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 216760768272 in words is "two hundred sixteen billion, seven hundred sixty million, seven hundred sixty-eight thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 72 76 114 144 152 171 228 304 342 456 684 761 912 1368 1522 2283 2736 3044 4566 6088 6849 9132 12176 13698 14459 18264 27396 28918 36528 43377 54792 57836 86754 104107 109584 115672 130131 173508 208214 231344 260262 312321 347016 416428 520524 624642 694032 832856 936963 1041048 1249284 1665712 1873926 1978033 2082096 2498568 3747852 3956066 4997136 5934099 7495704 7912132 11868198 14991408 15824264 17802297 23736396 31648528 35604594 47472792 71209188 79225427 94945584 142418376 158450854 237676281 284836752 316901708 475352562 633803416 713028843 950705124 1267606832 1426057686 1505283113 1901410248 2852115372 3010566226 3802820496 4515849339 5704230744 6021132452 9031698678 11408461488 12042264904 13547548017 18063397356 24084529808 27095096034 36126794712 54190192068 72253589424 108380384136 216760768272