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21230002000200 = 23352731400740693
BaseRepresentation
bin1001101001110111111101…
…01110100101000101001000
32210011120100100020010202210
410310323332232211011020
510240313021003001300
6113052532301425120
74320550145354160
oct464737656450510
983146310203683
1021230002000200
116845658733a14
12246a62486b1a0
13bacc994b4086
145357751915a0
1526c393943050
hex134efeba5148

21230002000200 has 384 divisors, whose sum is σ = 77662435000320. Its totient is φ = 4694749977600.

The previous prime is 21230002000177. The next prime is 21230002000217. The reversal of 21230002000200 is 200020003212.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 521691054 + ... + 521731746.

It is an arithmetic number, because the mean of its divisors is an integer number (202245924480).

Almost surely, 221230002000200 is an apocalyptic number.

21230002000200 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 21230002000200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38831217500160).

21230002000200 is an abundant number, since it is smaller than the sum of its proper divisors (56432433000120).

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

21230002000200 is a wasteful number, since it uses less digits than its factorization.

21230002000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44757 (or 44748 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 21230002000200 its reverse (200020003212), we get a palindrome (21430022003412).

The spelling of 21230002000200 in words is "twenty-one trillion, two hundred thirty billion, two million, two hundred", and thus it is an aban number.