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2481915061 = 20201122861
BaseRepresentation
bin1001001111101111…
…0000010010110101
320101222011100102001
42103323300102311
520040332240221
61050140015301
7115334633653
oct22373602265
96358140361
102481915061
111063a8157a
12593231531
133072698c2
141978a3dd3
15e7d57391
hex93ef04b5

2481915061 has 4 divisors (see below), whose sum is σ = 2482058124. Its totient is φ = 2481772000.

The previous prime is 2481915047. The next prime is 2481915077. The reversal of 2481915061 is 1605191842.

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 1118902500 + 1363012561 = 33450^2 + 36919^2 .

It is a cyclic number.

It is not a de Polignac number, because 2481915061 - 27 = 2481914933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2481915061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2481915001) 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, 41230 + ... + 81631.

It is an arithmetic number, because the mean of its divisors is an integer number (620514531).

Almost surely, 22481915061 is an apocalyptic number.

It is an amenable number.

2481915061 is a deficient number, since it is larger than the sum of its proper divisors (143063).

2481915061 is a wasteful number, since it uses less digits than its factorization.

2481915061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143062.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 2481915061 is about 49818.8223566154. The cubic root of 2481915061 is about 1353.9282131517.

The spelling of 2481915061 in words is "two billion, four hundred eighty-one million, nine hundred fifteen thousand, sixty-one".

Divisors: 1 20201 122861 2481915061