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20313106651222 = 2711145190905093
BaseRepresentation
bin1001001111001100000111…
…00000011001100001010110
32122220220200022212101211121
410213212003200121201112
510130302220300314342
6111111413512154154
74164400501445350
oct447460340314126
978826608771747
1020313106651222
1165218161633a0
12234099639895a
13b44696616368
14503233d6c0d0
152535cd012067
hex127983819856

20313106651222 has 32 divisors (see below), whose sum is σ = 38014328588544. Its totient is φ = 7908743004000.

The previous prime is 20313106651139. The next prime is 20313106651237. The reversal of 20313106651222 is 22215660131302.

It is a congruent number.

It is an unprimeable number.

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, 45229093 + ... + 45676000.

It is an arithmetic number, because the mean of its divisors is an integer number (1187947768392).

Almost surely, 220313106651222 is an apocalyptic number.

20313106651222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20313106651222 is a deficient number, since it is larger than the sum of its proper divisors (17701221937322).

20313106651222 is a wasteful number, since it uses less digits than its factorization.

20313106651222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90906564.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 20313106651222 its reverse (22215660131302), we get a palindrome (42528766782524).

The spelling of 20313106651222 in words is "twenty trillion, three hundred thirteen billion, one hundred six million, six hundred fifty-one thousand, two hundred twenty-two".

Divisors: 1 2 7 11 14 22 77 154 1451 2902 10157 15961 20314 31922 111727 223454 90905093 181810186 636335651 999956023 1272671302 1999912046 6999692161 13999384322 131903289943 263806579886 923323029601 1450936189373 1846646059202 2901872378746 10156553325611 20313106651222