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2581472053 = 4162962733
BaseRepresentation
bin1001100111011110…
…0010001100110101
320122220111100221001
42121313202030311
520241324101203
61104053523301
7120654102406
oct23167421465
96586440831
102581472053
1111051a0186
12600643531
13321a86874
141a6bbb9ad
1510197091d
hex99de2335

2581472053 has 4 divisors (see below), whose sum is σ = 2644434828. Its totient is φ = 2518509280.

The previous prime is 2581472041. The next prime is 2581472057. The reversal of 2581472053 is 3502741852.

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 107702884 + 2473769169 = 10378^2 + 49737^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2581472053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2581472057) 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, 31481326 + ... + 31481407.

It is an arithmetic number, because the mean of its divisors is an integer number (661108707).

Almost surely, 22581472053 is an apocalyptic number.

It is an amenable number.

2581472053 is a deficient number, since it is larger than the sum of its proper divisors (62962775).

2581472053 is an equidigital number, since it uses as much as digits as its factorization.

2581472053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62962774.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 2581472053 is about 50808.1888380210. The cubic root of 2581472053 is about 1371.7947694067.

The spelling of 2581472053 in words is "two billion, five hundred eighty-one million, four hundred seventy-two thousand, fifty-three".

Divisors: 1 41 62962733 2581472053