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2550531851 = 73137331511
BaseRepresentation
bin1001100000000110…
…0000011100001011
320120202021102221122
42120001200130023
520210414004401
61101030425455
7120130106630
oct23001403413
96522242848
102550531851
11109978836a
125b220228b
1331854295a
141a2a46187
15eddad21b
hex9806070b

2550531851 has 16 divisors (see below), whose sum is σ = 3017084928. Its totient is φ = 2109909600.

The previous prime is 2550531791. The next prime is 2550531859. The reversal of 2550531851 is 1581350552.

It is a de Polignac number, because none of the positive numbers 2k-2550531851 is a prime.

It is a Smith number, since the sum of its digits (35) 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 (2550531859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65186 + ... + 96696.

It is an arithmetic number, because the mean of its divisors is an integer number (188567808).

Almost surely, 22550531851 is an apocalyptic number.

2550531851 is a deficient number, since it is larger than the sum of its proper divisors (466553077).

2550531851 is a wasteful number, since it uses less digits than its factorization.

2550531851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31922.

The product of its (nonzero) digits is 30000, while the sum is 35.

The square root of 2550531851 is about 50502.7905268610. The cubic root of 2550531851 is about 1366.2921835820.

The spelling of 2550531851 in words is "two billion, five hundred fifty million, five hundred thirty-one thousand, eight hundred fifty-one".

Divisors: 1 7 31 217 373 2611 11563 31511 80941 220577 976841 6837887 11753603 82275221 364361693 2550531851