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2528078033 = 13194467541
BaseRepresentation
bin1001011010101111…
…0110100011010001
320112012000200002202
42112223312203101
520134141444113
61054505252545
7116435210615
oct22653664321
96465020082
102528078033
111088041498
125a6794155
133139b0680
1419da7d345
15ebe25258
hex96af68d1

2528078033 has 4 divisors (see below), whose sum is σ = 2722545588. Its totient is φ = 2333610480.

The previous prime is 2528078029. The next prime is 2528078071. The reversal of 2528078033 is 3308708252.

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 642521104 + 1885556929 = 25348^2 + 43423^2 .

It is a cyclic number.

It is not a de Polignac number, because 2528078033 - 22 = 2528078029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2528078023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97233758 + ... + 97233783.

It is an arithmetic number, because the mean of its divisors is an integer number (680636397).

Almost surely, 22528078033 is an apocalyptic number.

It is an amenable number.

2528078033 is a deficient number, since it is larger than the sum of its proper divisors (194467555).

2528078033 is a wasteful number, since it uses less digits than its factorization.

2528078033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194467554.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 2528078033 is about 50279.9963504374. The cubic root of 2528078033 is about 1362.2709378749.

The spelling of 2528078033 in words is "two billion, five hundred twenty-eight million, seventy-eight thousand, thirty-three".

Divisors: 1 13 194467541 2528078033