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1005030300445 = 5201006060089
BaseRepresentation
bin11101010000000000111…
…10010101101100011101
310120002011021211011102221
432220000132111230131
5112431300224103240
62045412103145341
7132416405413003
oct16500036255435
93502137734387
101005030300445
1135825a449096
12142946745251
1373a0a4a6092
1436902554a73
151b2231a5a4a
hexea00795b1d

1005030300445 has 4 divisors (see below), whose sum is σ = 1206036360540. Its totient is φ = 804024240352.

The previous prime is 1005030300377. The next prime is 1005030300479. The reversal of 1005030300445 is 5440030305001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 632385981529 + 372644318916 = 795227^2 + 610446^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005030300445 - 227 = 1004896082717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100503030040 + ... + 100503030049.

It is an arithmetic number, because the mean of its divisors is an integer number (301509090135).

Almost surely, 21005030300445 is an apocalyptic number.

It is an amenable number.

1005030300445 is a deficient number, since it is larger than the sum of its proper divisors (201006060095).

1005030300445 is an equidigital number, since it uses as much as digits as its factorization.

1005030300445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201006060094.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 1005030300445 its reverse (5440030305001), we get a palindrome (6445060605446).

The spelling of 1005030300445 in words is "one trillion, five billion, thirty million, three hundred thousand, four hundred forty-five".

Divisors: 1 5 201006060089 1005030300445