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20311230010 = 254743215383
BaseRepresentation
bin10010111010101001…
…001100011000111010
31221102112011101120011
4102322221030120322
5313044133330020
613155244052134
71316221415011
oct227251143072
957375141504
1020311230010
118683183805
123b2a23404a
131bb90080c6
14da977da78
157dd24735a
hex4baa4c63a

20311230010 has 16 divisors (see below), whose sum is σ = 37338091776. Its totient is φ = 7951630288.

The previous prime is 20311229947. The next prime is 20311230019. The reversal of 20311230010 is 1003211302.

It is not an unprimeable number, because it can be changed into a prime (20311230019) 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 7 ways as a sum of consecutive naturals, for example, 21607222 + ... + 21608161.

It is an arithmetic number, because the mean of its divisors is an integer number (2333630736).

Almost surely, 220311230010 is an apocalyptic number.

20311230010 is a deficient number, since it is larger than the sum of its proper divisors (17026861766).

20311230010 is a wasteful number, since it uses less digits than its factorization.

20311230010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43215437.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20311230010 its reverse (1003211302), we get a palindrome (21314441312).

The spelling of 20311230010 in words is "twenty billion, three hundred eleven million, two hundred thirty thousand, ten".

Divisors: 1 2 5 10 47 94 235 470 43215383 86430766 216076915 432153830 2031123001 4062246002 10155615005 20311230010