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20211027500007 = 3243124094208629
BaseRepresentation
bin1001001100001101111110…
…00111010101101111100111
32122120011012020221020022100
410212012333013111233213
510122114141020000012
6110552452353503143
74154125050125451
oct446067707255747
978504166836270
1020211027500007
1164924a313a203
122325048271ab3
13b37b79138636
144dc30cb2b2d1
15250b064cc8dc
hex1261bf1d5be7

20211027500007 has 24 divisors (see below), whose sum is σ = 29875044227600. Its totient is φ = 13159605368448.

The previous prime is 20211027499969. The next prime is 20211027500017. The reversal of 20211027500007 is 70000572011202.

20211027500007 is a `hidden beast` number, since 20 + 2 + 110 + 27 + 500 + 0 + 0 + 7 = 666.

It is not a de Polignac number, because 20211027500007 - 219 = 20211026975719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211027500017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2697969 + ... + 6906597.

Almost surely, 220211027500007 is an apocalyptic number.

20211027500007 is a deficient number, since it is larger than the sum of its proper divisors (9664016727593).

20211027500007 is a wasteful number, since it uses less digits than its factorization.

20211027500007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221087 (or 4221084 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

Adding to 20211027500007 its reverse (70000572011202), we get a palindrome (90211599511209).

The spelling of 20211027500007 in words is "twenty trillion, two hundred eleven billion, twenty-seven million, five hundred thousand, seven".

Divisors: 1 3 9 43 129 387 12409 37227 111681 533587 1600761 4208629 4802283 12625887 37877661 180971047 542913141 1628739423 52224877261 156674631783 470023895349 2245669722223 6737009166669 20211027500007