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32100200000000 = 29581114591
BaseRepresentation
bin1110100110001111010010…
…00001001010101000000000
311012122202020010112000010022
413103013221001022220000
513201412202200000000
6152134343413553012
76522106611010166
oct723075101125000
9135582203460108
1032100200000000
11a25668905a9a0
123725298045768
1314bb060a6a342
147cd92d67d236
153a9eee84a585
hex1d31e904aa00

32100200000000 has 360 divisors, whose sum is σ = 87466455217152. Its totient is φ = 11672000000000.

The previous prime is 32100199999969. The next prime is 32100200000009. The reversal of 32100200000000 is 200123.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (32100200000009) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 2199992705 + ... + 2200007295.

Almost surely, 232100200000000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32100200000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43733227608576).

32100200000000 is an abundant number, since it is smaller than the sum of its proper divisors (55366255217152).

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

32100200000000 is an frugal number, since it uses more digits than its factorization.

32100200000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14660 (or 14609 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 32100200000000 its reverse (200123), we get a palindrome (32100200200123).

The spelling of 32100200000000 in words is "thirty-two trillion, one hundred billion, two hundred million", and thus it is an aban number.