Search a number
-
+
203130222113 = 731323504239
BaseRepresentation
bin1011110100101110000…
…0010011011000100001
3201102022111100102222202
42331023200103120201
511312002314101423
6233152225342545
720450520254000
oct2751340233041
9642274312882
10203130222113
1179168795425
123344ba97a55
1316202999300
149b8db04c37
15543d18c728
hex2f4b813621

203130222113 has 24 divisors (see below), whose sum is σ = 256510368000. Its totient is φ = 160718371632.

The previous prime is 203130222107. The next prime is 203130222121. The reversal of 203130222113 is 311222031302.

It is not a de Polignac number, because 203130222113 - 26 = 203130222049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203130222143) 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, 1694153 + ... + 1810086.

It is an arithmetic number, because the mean of its divisors is an integer number (10687932000).

Almost surely, 2203130222113 is an apocalyptic number.

It is an amenable number.

203130222113 is a deficient number, since it is larger than the sum of its proper divisors (53380145887).

203130222113 is an equidigital number, since it uses as much as digits as its factorization.

203130222113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504286 (or 3504259 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 203130222113 its reverse (311222031302), we get a palindrome (514352253415).

The spelling of 203130222113 in words is "two hundred three billion, one hundred thirty million, two hundred twenty-two thousand, one hundred thirteen".

Divisors: 1 7 13 49 91 169 343 637 1183 4459 8281 57967 3504239 24529673 45555107 171707711 318885749 592216391 1201953977 2232200243 4145514737 15625401701 29018603159 203130222113