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2820303749376 = 28325925932
BaseRepresentation
bin101001000010100111001…
…101000000000100000000
3100222121200211001221000100
4221002213031000010000
5332201440224440001
65555344001122400
7410521520220501
oct51024715000400
910877624057010
102820303749376
119980a1a39a43
12396716029400
13175c51ac9c19
149a7095a8ba8
154d568a3a586
hex290a7340100

2820303749376 has 243 divisors, whose sum is σ = 8285763831709. Its totient is φ = 922608869376.

The previous prime is 2820303749371. The next prime is 2820303749377. The reversal of 2820303749376 is 6739473030282.

The square root of 2820303749376 is 1679376.

It is a perfect power (a square), and thus also a powerful number.

2820303749376 is a `hidden beast` number, since 2 + 8 + 20 + 30 + 37 + 493 + 76 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1734172934400 + 1086130814976 = 1316880^2 + 1042176^2 .

It is a super-2 number, since 2×28203037493762 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2820303749371) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4755992536 + ... + 4755993128.

Almost surely, 22820303749376 is an apocalyptic number.

2820303749376 is the 1679376-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2820303749376

2820303749376 is an abundant number, since it is smaller than the sum of its proper divisors (5465460082333).

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

2820303749376 is an frugal number, since it uses more digits than its factorization.

2820303749376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 54.

The spelling of 2820303749376 in words is "two trillion, eight hundred twenty billion, three hundred three million, seven hundred forty-nine thousand, three hundred seventy-six".