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200212218985 = 5151467567841
BaseRepresentation
bin1011101001110110010…
…1000000010001101001
3201010210010121112012211
42322131211000101221
511240013312001420
6231550510405121
720315305532152
oct2723545002151
9633703545184
10200212218985
1177a0063a499
12329768007a1
1315b5929403c
149994364929
15531bde3e5a
hex2e9d940469

200212218985 has 16 divisors (see below), whose sum is σ = 242364051072. Its totient is φ = 158768064000.

The previous prime is 200212218949. The next prime is 200212219003. The reversal of 200212218985 is 589812212002.

It is not a de Polignac number, because 200212218985 - 29 = 200212218473 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 68665 + ... + 636505.

It is an arithmetic number, because the mean of its divisors is an integer number (15147753192).

Almost surely, 2200212218985 is an apocalyptic number.

It is an amenable number.

200212218985 is a deficient number, since it is larger than the sum of its proper divisors (42151832087).

200212218985 is a wasteful number, since it uses less digits than its factorization.

200212218985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568464.

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 200212218985 in words is "two hundred billion, two hundred twelve million, two hundred eighteen thousand, nine hundred eighty-five".

Divisors: 1 5 151 467 755 2335 70517 352585 567841 2839205 85743991 265181747 428719955 1325908735 40042443797 200212218985