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20100231321110 = 2517911229179509
BaseRepresentation
bin1001001000111111100110…
…01001011101011000010110
32122011120012200101011210222
410210133303021131120112
510113310233204233420
6110425530243114342
74143123320134643
oct444376311353026
978146180334728
1020100231321110
11644a507629106
1223076869729b2
13b2a59c9c5b75
144d6bdbcd4dca
1524ccbe565225
hex1247f325d616

20100231321110 has 16 divisors (see below), whose sum is σ = 36382541612400. Its totient is φ = 7995175809696.

The previous prime is 20100231321089. The next prime is 20100231321119. The reversal of 20100231321110 is 1112313200102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100231321119) 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, 5614587965 + ... + 5614591544.

It is an arithmetic number, because the mean of its divisors is an integer number (2273908850775).

Almost surely, 220100231321110 is an apocalyptic number.

20100231321110 is a deficient number, since it is larger than the sum of its proper divisors (16282310291290).

20100231321110 is a wasteful number, since it uses less digits than its factorization.

20100231321110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11229179695.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20100231321110 its reverse (1112313200102), we get a palindrome (21212544521212).

The spelling of 20100231321110 in words is "twenty trillion, one hundred billion, two hundred thirty-one million, three hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 5 10 179 358 895 1790 11229179509 22458359018 56145897545 112291795090 2010023132111 4020046264222 10050115660555 20100231321110