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21232000230000 = 2435471712134903
BaseRepresentation
bin1001101001111011101011…
…10101001110001001110000
32210011202111121020201201220
410310331311311032021300
510240331114024330000
6113053502442425040
74320650521134060
oct464756565161160
983152447221656
1021232000230000
1168464936815aa
12246aaa1b02180
13bb022748b781
145358c47093a0
1526c45e0a61a0
hex134f75d4e270

21232000230000 has 800 divisors, whose sum is σ = 83024134972416. Its totient is φ = 4562860032000.

The previous prime is 21232000229857. The next prime is 21232000230041. The reversal of 21232000230000 is 3200023212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4330407549 + ... + 4330412451.

Almost surely, 221232000230000 is an apocalyptic number.

21232000230000 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 21232000230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41512067486208).

21232000230000 is an abundant number, since it is smaller than the sum of its proper divisors (61792134742416).

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

21232000230000 is a wasteful number, since it uses less digits than its factorization.

21232000230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6171 (or 6150 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 21232000230000 its reverse (3200023212), we get a palindrome (21235200253212).

The spelling of 21232000230000 in words is "twenty-one trillion, two hundred thirty-two billion, two hundred thirty thousand".