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23211320330000 = 245411961921937
BaseRepresentation
bin1010100011100010011101…
…00000001100011100010000
310001011222110211012210222202
411101301032200030130100
511020243241001030000
6121211044445422332
74613651104320365
oct521611640143420
9101158424183882
1023211320330000
117439958232440
12272a61426a9a8
13cc4a8352590a
145a361088c46c
152a3ba67b5dd5
hex151c4e80c710

23211320330000 has 200 divisors, whose sum is σ = 61314907573920. Its totient is φ = 8439217920000.

The previous prime is 23211320329991. The next prime is 23211320330071. The reversal of 23211320330000 is 3302311232.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (20).

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 39 ways as a sum of consecutive naturals, for example, 1058079032 + ... + 1058100968.

Almost surely, 223211320330000 is an apocalyptic number.

23211320330000 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 23211320330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30657453786960).

23211320330000 is an abundant number, since it is smaller than the sum of its proper divisors (38103587243920).

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

23211320330000 is a wasteful number, since it uses less digits than its factorization.

23211320330000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31595 (or 31574 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23211320330000 its reverse (3302311232), we get a palindrome (23214622641232).

The spelling of 23211320330000 in words is "twenty-three trillion, two hundred eleven billion, three hundred twenty million, three hundred thirty thousand".