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23211120000 = 27354175689
BaseRepresentation
bin10101100111011111…
…011001010110000000
32012220121211001210010
4111213133121112000
5340014021320000
614355114504520
71451123156535
oct254737312600
965817731703
1023211120000
119931088002
1245b9435140
13225ba3aa43
1411a2966d8c
1590cb13d50
hex5677d9580

23211120000 has 320 divisors, whose sum is σ = 81589820400. Its totient is φ = 5824512000.

The previous prime is 23211119923. The next prime is 23211120011. The reversal of 23211120000 is 2111232.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4077156 + ... + 4082844.

Almost surely, 223211120000 is an apocalyptic number.

23211120000 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 23211120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40794910200).

23211120000 is an abundant number, since it is smaller than the sum of its proper divisors (58378700400).

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

23211120000 is an equidigital number, since it uses as much as digits as its factorization.

23211120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5743 (or 5716 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 23211120000 its reverse (2111232), we get a palindrome (23213231232).

The spelling of 23211120000 in words is "twenty-three billion, two hundred eleven million, one hundred twenty thousand".