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20313100011 = 33711313711821
BaseRepresentation
bin10010111010110000…
…010100111011101011
31221102122200101201110
4102322300110323223
5313100123200021
613155352121403
71316243333631
oct227260247353
957378611643
1020313100011
118684240766
123b2a996263
131bb9511309
14da9b09351
157dd4b6476
hex4bac14eeb

20313100011 has 32 divisors (see below), whose sum is σ = 28269523008. Its totient is φ = 12963041280.

The previous prime is 20313100009. The next prime is 20313100043. The reversal of 20313100011 is 11000131302.

It is not a de Polignac number, because 20313100011 - 21 = 20313100009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20313100011.

It is not an unprimeable number, because it can be changed into a prime (20313100001) 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 31 ways as a sum of consecutive naturals, for example, 1712481 + ... + 1724301.

It is an arithmetic number, because the mean of its divisors is an integer number (883422594).

Almost surely, 220313100011 is an apocalyptic number.

20313100011 is a deficient number, since it is larger than the sum of its proper divisors (7956422997).

20313100011 is a wasteful number, since it uses less digits than its factorization.

20313100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12111.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 20313100011 its reverse (11000131302), we get a palindrome (31313231313).

The spelling of 20313100011 in words is "twenty billion, three hundred thirteen million, one hundred thousand, eleven".

Divisors: 1 3 37 111 113 137 339 411 4181 5069 11821 12543 15207 15481 35463 46443 437377 572797 1312131 1335773 1619477 1718391 4007319 4858431 49423601 59920649 148270803 179761947 183000901 549002703 6771033337 20313100011