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20732806771296 = 25319297128319507
BaseRepresentation
bin1001011011011001110111…
…00101010011001001100000
32201102000222221200120011020
410231230323211103021200
510204141242013140141
6112032304150245440
74236616164553644
oct455547345231140
981360887616136
1020732806771296
116673808a12564
1223aa1a7056880
13b75131474089
1451968a674c24
1525e49418d266
hex12db3b953260

20732806771296 has 384 divisors, whose sum is σ = 60313617100800. Its totient is φ = 6210061240320.

The previous prime is 20732806771289. The next prime is 20732806771307. The reversal of 20732806771296 is 69217760823702.

It is a happy number.

It is a super-3 number, since 3×207328067712963 (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1062829575 + ... + 1062849081.

It is an arithmetic number, because the mean of its divisors is an integer number (157066711200).

Almost surely, 220732806771296 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 20732806771296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30156808550400).

20732806771296 is an abundant number, since it is smaller than the sum of its proper divisors (39580810329504).

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

20732806771296 is a wasteful number, since it uses less digits than its factorization.

20732806771296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19922 (or 19914 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 60.

The spelling of 20732806771296 in words is "twenty trillion, seven hundred thirty-two billion, eight hundred six million, seven hundred seventy-one thousand, two hundred ninety-six".