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20130202011 = 3211285711131
BaseRepresentation
bin10010101111110110…
…101000000110011011
31220221220112012211110
4102233312220012123
5312211312431021
613125300031403
71311562615413
oct225766500633
956856465743
1020130202011
11859aa79797
123a99692563
131b8a66434a
14d8d6d9643
157cc3d9476
hex4afda819b

20130202011 has 16 divisors (see below), whose sum is σ = 26979337088. Its totient is φ = 13350657600.

The previous prime is 20130202009. The next prime is 20130202021. The reversal of 20130202011 is 11020203102.

It is not a de Polignac number, because 20130202011 - 21 = 20130202009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20130202021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1802916 + ... + 1814046.

It is an arithmetic number, because the mean of its divisors is an integer number (1686208568).

Almost surely, 220130202011 is an apocalyptic number.

20130202011 is a deficient number, since it is larger than the sum of its proper divisors (6849135077).

20130202011 is a wasteful number, since it uses less digits than its factorization.

20130202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14202.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20130202011 its reverse (11020203102), we get a palindrome (31150405113).

It can be divided in two parts, 20 and 130202011, that added together give a palindrome (130202031).

The spelling of 20130202011 in words is "twenty billion, one hundred thirty million, two hundred two thousand, eleven".

Divisors: 1 3 211 633 2857 8571 11131 33393 602827 1808481 2348641 7045923 31801267 95403801 6710067337 20130202011