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7136435065 = 51427287013
BaseRepresentation
bin1101010010101110…
…10101101101111001
3200102100110110111211
412221113111231321
5104103411410230
63140050323121
7341563461064
oct65127255571
920370413454
107136435065
113032371321
121471b894a1
13899665756
144b9b138db
152bb7b942a
hex1a95d5b79

7136435065 has 4 divisors (see below), whose sum is σ = 8563722084. Its totient is φ = 5709148048.

The previous prime is 7136435057. The next prime is 7136435069. The reversal of 7136435065 is 5605346317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5605346317 = 41591347763.

It can be written as a sum of positive squares in 2 ways, for example, as 1381088569 + 5755346496 = 37163^2 + 75864^2 .

It is a cyclic number.

It is not a de Polignac number, because 7136435065 - 23 = 7136435057 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7136435069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713643502 + ... + 713643511.

It is an arithmetic number, because the mean of its divisors is an integer number (2140930521).

Almost surely, 27136435065 is an apocalyptic number.

It is an amenable number.

7136435065 is a deficient number, since it is larger than the sum of its proper divisors (1427287019).

7136435065 is a wasteful number, since it uses less digits than its factorization.

7136435065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427287018.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 7136435065 is about 84477.4234041261. The cubic root of 7136435065 is about 1925.2794390537.

The spelling of 7136435065 in words is "seven billion, one hundred thirty-six million, four hundred thirty-five thousand, sixty-five".

Divisors: 1 5 1427287013 7136435065