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200212231231 = 832412195557
BaseRepresentation
bin1011101001110110010…
…1000011010000111111
3201010210010122011000101
42322131211003100333
511240013312344411
6231550510541531
720315305612645
oct2723545032077
9633703564011
10200212231231
1177a00648711
12329768078a7
1315b5929979c
149994369195
15531bde78c1
hex2e9d94343f

200212231231 has 4 divisors (see below), whose sum is σ = 202624426872. Its totient is φ = 197800035592.

The previous prime is 200212231223. The next prime is 200212231253. The reversal of 200212231231 is 132132212002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200212231231 - 23 = 200212231223 is a prime.

It is a super-2 number, since 2×2002122312312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200212231199 and 200212231208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200212231631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206097696 + ... + 1206097861.

It is an arithmetic number, because the mean of its divisors is an integer number (50656106718).

Almost surely, 2200212231231 is an apocalyptic number.

200212231231 is a deficient number, since it is larger than the sum of its proper divisors (2412195641).

200212231231 is an equidigital number, since it uses as much as digits as its factorization.

200212231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412195640.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 200212231231 its reverse (132132212002), we get a palindrome (332344443233).

The spelling of 200212231231 in words is "two hundred billion, two hundred twelve million, two hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 83 2412195557 200212231231