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20211110102000 = 245310105555051
BaseRepresentation
bin1001001100001110001000…
…00010011100001111110000
32122120011102000100211221102
410212013010002130033300
510122114323141231000
6110552504504143532
74154130102206546
oct446070402341760
978504360324842
1020211110102000
116492535828314
12232506ba67ba8
13b37b9029a15c
144dc319aadd96
15250b0d8973d5
hex1261c409c3f0

20211110102000 has 40 divisors (see below), whose sum is σ = 48870464231472. Its totient is φ = 8084444040000.

The previous prime is 20211110101999. The next prime is 20211110102009. The reversal of 20211110102000 is 20101111202.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211110102009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5052775526 + ... + 5052779525.

Almost surely, 220211110102000 is an apocalyptic number.

20211110102000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20211110102000 is an abundant number, since it is smaller than the sum of its proper divisors (28659354129472).

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

20211110102000 is a wasteful number, since it uses less digits than its factorization.

20211110102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105555074 (or 10105555058 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20211110102000 its reverse (20101111202), we get a palindrome (20231211213202).

The spelling of 20211110102000 in words is "twenty trillion, two hundred eleven billion, one hundred ten million, one hundred two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 10105555051 20211110102 40422220204 50527775255 80844440408 101055550510 161688880816 202111101020 252638876275 404222202040 505277752550 808444404080 1010555505100 1263194381375 2021111010200 2526388762750 4042222020400 5052777525500 10105555051000 20211110102000