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203230222201 = 1732213711493
BaseRepresentation
bin1011110101000101110…
…1110001011101111001
3201102120110111222022201
42331101131301131321
511312203414102301
6233210200550201
720453143246306
oct2752135613571
9642513458281
10203230222201
117920a186a26
1233479482361
131621a60cb66
149b9d0d60ad
155446d42201
hex2f51771779

203230222201 has 8 divisors (see below), whose sum is σ = 215251806024. Its totient is φ = 191216067840.

The previous prime is 203230222199. The next prime is 203230222211. The reversal of 203230222201 is 102222032302.

It can be written as a sum of positive squares in 4 ways, for example, as 41705808400 + 161524413801 = 204220^2 + 401901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203230222201 - 21 = 203230222199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203230222211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1800990 + ... + 1910503.

It is an arithmetic number, because the mean of its divisors is an integer number (26906475753).

Almost surely, 2203230222201 is an apocalyptic number.

It is an amenable number.

203230222201 is a deficient number, since it is larger than the sum of its proper divisors (12021583823).

203230222201 is a wasteful number, since it uses less digits than its factorization.

203230222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714731.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 203230222201 its reverse (102222032302), we get a palindrome (305452254503).

The spelling of 203230222201 in words is "two hundred three billion, two hundred thirty million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 17 3221 54757 3711493 63095381 11954718953 203230222201