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2505053205 = 325291919581
BaseRepresentation
bin1001010101010000…
…0001010000010101
320110120200212222100
42111110001100111
520112243200310
61052323552313
7116035413054
oct22524012025
96416625870
102505053205
111076045606
1259ab2b699
1330bcab505
1419a9a839b
15e9dc7ec0
hex95501415

2505053205 has 24 divisors (see below), whose sum is σ = 4491821880. Its totient is φ = 1289957760.

The previous prime is 2505053197. The next prime is 2505053209. The reversal of 2505053205 is 5023505052.

It can be written as a sum of positive squares in 4 ways, for example, as 2852721 + 2502200484 = 1689^2 + 50022^2 .

It is not a de Polignac number, because 2505053205 - 23 = 2505053197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505053209) 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 23 ways as a sum of consecutive naturals, for example, 958486 + ... + 961095.

It is an arithmetic number, because the mean of its divisors is an integer number (187159245).

Almost surely, 22505053205 is an apocalyptic number.

It is an amenable number.

2505053205 is a deficient number, since it is larger than the sum of its proper divisors (1986768675).

2505053205 is a wasteful number, since it uses less digits than its factorization.

2505053205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919621 (or 1919618 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 2505053205 is about 50050.5065408933. The cubic root of 2505053205 is about 1358.1226267903.

Adding to 2505053205 its reverse (5023505052), we get a palindrome (7528558257).

The spelling of 2505053205 in words is "two billion, five hundred five million, fifty-three thousand, two hundred five".

Divisors: 1 3 5 9 15 29 45 87 145 261 435 1305 1919581 5758743 9597905 17276229 28793715 55667849 86381145 167003547 278339245 501010641 835017735 2505053205