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200112212001 = 31321844321401
BaseRepresentation
bin1011101001011110011…
…1100000100000100001
3201010112011102122102110
42322113213200200201
511234312211241001
6231532535105533
720312652510462
oct2722747404041
9633464378373
10200112212001
117795a143799
12329492122a9
1315b4164a300
149984d70d69
15531323c3d6
hex2e979e0821

200112212001 has 24 divisors (see below), whose sum is σ = 288948573216. Its totient is φ = 123133545600.

The previous prime is 200112211973. The next prime is 200112212021. The reversal of 200112212001 is 100212211002.

It is not a de Polignac number, because 200112212001 - 29 = 200112211489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200112212021) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 9339901 + ... + 9361301.

It is an arithmetic number, because the mean of its divisors is an integer number (12039523884).

Almost surely, 2200112212001 is an apocalyptic number.

It is an amenable number.

200112212001 is a deficient number, since it is larger than the sum of its proper divisors (88836361215).

200112212001 is a wasteful number, since it uses less digits than its factorization.

200112212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39873 (or 39860 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200112212001 its reverse (100212211002), we get a palindrome (300324423003).

Subtracting from 200112212001 its reverse (100212211002), we obtain a palindrome (99900000999).

The spelling of 200112212001 in words is "two hundred billion, one hundred twelve million, two hundred twelve thousand, one".

Divisors: 1 3 13 39 169 507 18443 21401 55329 64203 239759 278213 719277 834639 3116867 3616769 9350601 10850307 394698643 1184095929 5131082359 15393247077 66704070667 200112212001