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2728330511301 = 321488612036449
BaseRepresentation
bin100111101100111101001…
…010111100001111000101
3100122211022001012100010100
4213230331022330033011
5324200110102330201
65445213331314313
7401054400463323
oct47547512741705
910584261170110
102728330511301
1196209549a98a
1238092844b999
1316a385240765
14960a25bad13
154ae84335886
hex27b3d2bc3c5

2728330511301 has 12 divisors (see below), whose sum is σ = 3940950258700. Its totient is φ = 1818873895680.

The previous prime is 2728330511299. The next prime is 2728330511359. The reversal of 2728330511301 is 1031150338272.

It is a happy number.

2728330511301 is a `hidden beast` number, since 2 + 7 + 2 + 8 + 330 + 5 + 11 + 301 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 370260080100 + 2358070431201 = 608490^2 + 1535601^2 .

It is not a de Polignac number, because 2728330511301 - 21 = 2728330511299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728330513301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321525 + ... + 2357973.

Almost surely, 22728330511301 is an apocalyptic number.

It is an amenable number.

2728330511301 is a deficient number, since it is larger than the sum of its proper divisors (1212619747399).

2728330511301 is a wasteful number, since it uses less digits than its factorization.

2728330511301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185316 (or 2185313 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

Adding to 2728330511301 its reverse (1031150338272), we get a palindrome (3759480849573).

The spelling of 2728330511301 in words is "two trillion, seven hundred twenty-eight billion, three hundred thirty million, five hundred eleven thousand, three hundred one".

Divisors: 1 3 9 148861 446583 1339749 2036449 6109347 18328041 303147834589 909443503767 2728330511301