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13530220005 = 352339218029
BaseRepresentation
bin11001001100111011…
…01100010111100101
31021220221111101120110
430212131230113211
5210202214020010
610114331323233
7656201654361
oct144635542745
937827441513
1013530220005
115813502605
1227572b0519
1313781a7c53
14924d4a2a1
15542c89120
hex32676c5e5

13530220005 has 16 divisors (see below), whose sum is σ = 22589585280. Its totient is φ = 6902372928.

The previous prime is 13530220003. The next prime is 13530220013. The reversal of 13530220005 is 50002203531.

It is not a de Polignac number, because 13530220005 - 21 = 13530220003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530220001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19608670 + ... + 19609359.

It is an arithmetic number, because the mean of its divisors is an integer number (1411849080).

Almost surely, 213530220005 is an apocalyptic number.

13530220005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13530220005 is a deficient number, since it is larger than the sum of its proper divisors (9059365275).

13530220005 is a wasteful number, since it uses less digits than its factorization.

13530220005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39218060.

The product of its (nonzero) digits is 900, while the sum is 21.

Adding to 13530220005 its reverse (50002203531), we get a palindrome (63532423536).

The spelling of 13530220005 in words is "thirteen billion, five hundred thirty million, two hundred twenty thousand, five".

Divisors: 1 3 5 15 23 69 115 345 39218029 117654087 196090145 588270435 902014667 2706044001 4510073335 13530220005