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20211110212000 = 2553171511968359
BaseRepresentation
bin1001001100001110001000…
…00010110111000110100000
32122120011102000120102211111
410212013010002313012200
510122114323203241000
6110552504510353104
74154130103145341
oct446070402670640
978504360512744
1020211110212000
1164925358a2a24
12232506babb794
13b37b90308246
144dc319adc0c8
15250b0d8b9cba
hex1261c40b71a0

20211110212000 has 192 divisors, whose sum is σ = 52928035130880. Its totient is φ = 7558494720000.

The previous prime is 20211110211931. The next prime is 20211110212021. The reversal of 20211110212000 is 21201111202.

It is a super-2 number, since 2×202111102120002 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9283821 + ... + 11252179.

It is an arithmetic number, because the mean of its divisors is an integer number (275666849640).

Almost surely, 220211110212000 is an apocalyptic number.

20211110212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20211110212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26464017565440).

20211110212000 is an abundant number, since it is smaller than the sum of its proper divisors (32716924918880).

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

20211110212000 is a wasteful number, since it uses less digits than its factorization.

20211110212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968552 (or 1968534 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20211110212000 its reverse (21201111202), we get a palindrome (20232311323202).

The spelling of 20211110212000 in words is "twenty trillion, two hundred eleven billion, one hundred ten million, two hundred twelve thousand".