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5642143525 = 52389580169
BaseRepresentation
bin1010100000100110…
…00100011100100101
3112120012200120212201
411100103010130211
543023342043100
62331510414501
7256550300014
oct52023043445
915505616781
105642143525
11243592aa37
121115661431
136bbbc1885
143b7498a7b
152304eb36a
hex1504c4725

5642143525 has 12 divisors (see below), whose sum is σ = 7014255300. Its totient is φ = 4502103680.

The previous prime is 5642143523. The next prime is 5642143541. The reversal of 5642143525 is 5253412465.

It can be written as a sum of positive squares in 6 ways, for example, as 1117832356 + 4524311169 = 33434^2 + 67263^2 .

It is not a de Polignac number, because 5642143525 - 21 = 5642143523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642143523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280360 + ... + 299809.

It is an arithmetic number, because the mean of its divisors is an integer number (584521275).

Almost surely, 25642143525 is an apocalyptic number.

It is an amenable number.

5642143525 is a deficient number, since it is larger than the sum of its proper divisors (1372111775).

5642143525 is a wasteful number, since it uses less digits than its factorization.

5642143525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580568 (or 580563 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 5642143525 is about 75114.2032175007. The cubic root of 5642143525 is about 1780.2515661995.

The spelling of 5642143525 in words is "five billion, six hundred forty-two million, one hundred forty-three thousand, five hundred twenty-five".

Divisors: 1 5 25 389 1945 9725 580169 2900845 14504225 225685741 1128428705 5642143525