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8052638362509 = 3131979137560231
BaseRepresentation
bin111010100101110011010…
…1001100010101110001101
31001111211021012202021110010
41311023212221202232031
52023413300410100014
625043155254503433
71460532612501036
oct165134651425615
931454235667403
108052638362509
112625117473074
12aa07a4364b79
1346548c149220
141dba6d559a8d
15de703267359
hex752e6a62b8d

8052638362509 has 32 divisors (see below), whose sum is σ = 12325396787200. Its totient is φ = 4635229510080.

The previous prime is 8052638362507. The next prime is 8052638362511. The reversal of 8052638362509 is 9052638362508.

It is an interprime number because it is at equal distance from previous prime (8052638362507) and next prime (8052638362511).

It is not a de Polignac number, because 8052638362509 - 21 = 8052638362507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8052638362507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68721577 + ... + 68838654.

It is an arithmetic number, because the mean of its divisors is an integer number (385168649600).

Almost surely, 28052638362509 is an apocalyptic number.

It is an amenable number.

8052638362509 is a deficient number, since it is larger than the sum of its proper divisors (4272758424691).

8052638362509 is a wasteful number, since it uses less digits than its factorization.

8052638362509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137560345.

The product of its (nonzero) digits is 18662400, while the sum is 57.

Subtracting 8052638362509 from its reverse (9052638362508), we obtain a palindrome (999999999999).

The spelling of 8052638362509 in words is "eight trillion, fifty-two billion, six hundred thirty-eight million, three hundred sixty-two thousand, five hundred nine".

Divisors: 1 3 13 19 39 57 79 237 247 741 1027 1501 3081 4503 19513 58539 137560231 412680693 1788283003 2613644389 5364849009 7840933167 10867258249 32601774747 33977377057 101932131171 141274357237 206477906731 423823071711 619433720193 2684212787503 8052638362509