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8220060080 = 245307334693
BaseRepresentation
bin1111010011111010…
…00010100110110000
3210012212111022120122
413221331002212300
5113313313410310
63435400225412
7410462233511
oct75175024660
923185438518
108220060080
113539011891
121714a6b268
13a10001c9b
1457d9cca08
153319b8555
hex1e9f429b0

8220060080 has 40 divisors (see below), whose sum is σ = 19173949872. Its totient is φ = 3277304064.

The previous prime is 8220060061. The next prime is 8220060109. The reversal of 8220060080 is 800600228.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142787 + ... + 191906.

Almost surely, 28220060080 is an apocalyptic number.

8220060080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8220060080 is an abundant number, since it is smaller than the sum of its proper divisors (10953889792).

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

8220060080 is a wasteful number, since it uses less digits than its factorization.

8220060080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335013 (or 335007 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 8220060080 is about 90664.5469850261. The cubic root of 8220060080 is about 2018.1727160706.

The spelling of 8220060080 in words is "eight billion, two hundred twenty million, sixty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 307 614 1228 1535 2456 3070 4912 6140 12280 24560 334693 669386 1338772 1673465 2677544 3346930 5355088 6693860 13387720 26775440 102750751 205501502 411003004 513753755 822006008 1027507510 1644012016 2055015020 4110030040 8220060080