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5252520065 = 51380808001
BaseRepresentation
bin1001110010001001…
…10001100010000001
3111120001112122222012
410321010301202001
541224121120230
62225111422305
7244106453402
oct47104614201
914501478865
105252520065
112255a02081
121027084995
13659274350
1437b8359a9
1520b1d7395
hex139131881

5252520065 has 8 divisors (see below), whose sum is σ = 6787872168. Its totient is φ = 3878784000.

The previous prime is 5252520059. The next prime is 5252520083. The reversal of 5252520065 is 5600252525.

It can be written as a sum of positive squares in 4 ways, for example, as 498003856 + 4754516209 = 22316^2 + 68953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5252520065 - 26 = 5252520001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40403936 + ... + 40404065.

It is an arithmetic number, because the mean of its divisors is an integer number (848484021).

Almost surely, 25252520065 is an apocalyptic number.

It is an amenable number.

5252520065 is a deficient number, since it is larger than the sum of its proper divisors (1535352103).

5252520065 is a wasteful number, since it uses less digits than its factorization.

5252520065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80808019.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 5252520065 is about 72474.2717452200. The cubic root of 5252520065 is about 1738.2913672640.

The spelling of 5252520065 in words is "five billion, two hundred fifty-two million, five hundred twenty thousand, sixty-five".

Divisors: 1 5 13 65 80808001 404040005 1050504013 5252520065