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203020222301 = 1323678997399
BaseRepresentation
bin1011110100010011110…
…0101011111101011101
3201102000211100212121122
42331010330223331131
511311241134103201
6233133255540325
720445013262561
oct2750474537535
9642024325548
10203020222301
1179111693996
123341b08a6a5
13161b5c64070
149b7d26d6a1
1554336aee1b
hex2f44f2bf5d

203020222301 has 8 divisors (see below), whose sum is σ = 228143126400. Its totient is φ = 179255313072.

The previous prime is 203020222199. The next prime is 203020222337. The reversal of 203020222301 is 103222020302.

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

It is a de Polignac number, because none of the positive numbers 2k-203020222301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 203020222301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203020222001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339498401 + ... + 339498998.

It is an arithmetic number, because the mean of its divisors is an integer number (28517890800).

Almost surely, 2203020222301 is an apocalyptic number.

It is an amenable number.

203020222301 is a deficient number, since it is larger than the sum of its proper divisors (25122904099).

203020222301 is a wasteful number, since it uses less digits than its factorization.

203020222301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678997435.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 203020222301 its reverse (103222020302), we get a palindrome (306242242603).

The spelling of 203020222301 in words is "two hundred three billion, twenty million, two hundred twenty-two thousand, three hundred one".

Divisors: 1 13 23 299 678997399 8826966187 15616940177 203020222301