Search a number
-
+
203122200443 = 1721241148953
BaseRepresentation
bin1011110100101100000…
…1101100111101111011
3201102021221020220022212
42331023001230331323
511311443240403233
6233151341405335
720450362134131
oct2751301547573
9642257226285
10203122200443
1179164206648
123344926984b
131620111b066
149b8ca17751
15543c605a48
hex2f4b06cf7b

203122200443 has 8 divisors (see below), whose sum is σ = 203328676656. Its totient is φ = 202915830400.

The previous prime is 203122200409. The next prime is 203122200469. The reversal of 203122200443 is 344002221302.

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 203122200443 - 222 = 203118006139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203122202443) 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, 4124855 + ... + 4173807.

It is an arithmetic number, because the mean of its divisors is an integer number (25416084582).

Almost surely, 2203122200443 is an apocalyptic number.

203122200443 is a deficient number, since it is larger than the sum of its proper divisors (206476213).

203122200443 is a wasteful number, since it uses less digits than its factorization.

203122200443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53085.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 203122200443 its reverse (344002221302), we get a palindrome (547124421745).

The spelling of 203122200443 in words is "two hundred three billion, one hundred twenty-two million, two hundred thousand, four hundred forty-three".

Divisors: 1 1721 2411 48953 4149331 84248113 118025683 203122200443