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21233003110 = 2511434489007
BaseRepresentation
bin10011110001100101…
…011110101001100110
32000210202122022112121
4103301211132221212
5321441122044420
613430532540154
71351113356104
oct236145365146
960722568477
1021233003110
119006527560
124146a8165a
132004c85c87
141055d66c74
158441252aa
hex4f195ea66

21233003110 has 32 divisors (see below), whose sum is σ = 42663532032. Its totient is φ = 7541530080.

The previous prime is 21233003107. The next prime is 21233003117. The reversal of 21233003110 is 1130033212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233003117) 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, 2239774 + ... + 2249233.

It is an arithmetic number, because the mean of its divisors is an integer number (1333235376).

Almost surely, 221233003110 is an apocalyptic number.

21233003110 is an abundant number, since it is smaller than the sum of its proper divisors (21430528922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21233003110 is a wasteful number, since it uses less digits than its factorization.

21233003110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489068.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21233003110 its reverse (1130033212), we get a palindrome (22363036322).

The spelling of 21233003110 in words is "twenty-one billion, two hundred thirty-three million, three thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 43 55 86 110 215 430 473 946 2365 4730 4489007 8978014 22445035 44890070 49379077 98758154 193027301 246895385 386054602 493790770 965136505 1930273010 2123300311 4246600622 10616501555 21233003110