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211000001200 = 2452527500003
BaseRepresentation
bin1100010010000010010…
…1001000001010110000
3202011121221201122101021
43010200211020022300
511424112000014300
6240533154145224
721146530263232
oct3044045101260
9664557648337
10211000001200
1181536aaa98a
1234a87582214
1316b88247221
14a2d8d92252
15574e013d1a
hex31209482b0

211000001200 has 30 divisors (see below), whose sum is σ = 506927503844. Its totient is φ = 84400000320.

The previous prime is 211000001137. The next prime is 211000001207. The reversal of 211000001200 is 2100000112.

It is not an unprimeable number, because it can be changed into a prime (211000001207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263749602 + ... + 263750401.

Almost surely, 2211000001200 is an apocalyptic number.

211000001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211000001200 is an abundant number, since it is smaller than the sum of its proper divisors (295927502644).

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

211000001200 is a wasteful number, since it uses less digits than its factorization.

211000001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527500021 (or 527500010 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 211000001200 its reverse (2100000112), we get a palindrome (213100001312).

The spelling of 211000001200 in words is "two hundred eleven billion, one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 527500003 1055000006 2110000012 2637500015 4220000024 5275000030 8440000048 10550000060 13187500075 21100000120 26375000150 42200000240 52750000300 105500000600 211000001200