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6143243525 = 52330174441
BaseRepresentation
bin1011011100010101…
…00111010100000101
3120212010121002211222
411232022213110011
5100040132243100
62453331010125
7305143464656
oct55612472405
916763532758
106143243525
112672778871
121235439945
1376b970553
14423c5952d
1525e4d0485
hex16e2a7505

6143243525 has 12 divisors (see below), whose sum is σ = 7620032004. Its totient is φ = 4913040000.

The previous prime is 6143243473. The next prime is 6143243527. The reversal of 6143243525 is 5253423416.

It can be written as a sum of positive squares in 6 ways, for example, as 1583482849 + 4559760676 = 39793^2 + 67526^2 .

It is not a de Polignac number, because 6143243525 - 28 = 6143243269 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 (6143243527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45305 + ... + 119745.

It is an arithmetic number, because the mean of its divisors is an integer number (635002667).

Almost surely, 26143243525 is an apocalyptic number.

It is an amenable number.

6143243525 is a deficient number, since it is larger than the sum of its proper divisors (1476788479).

6143243525 is a wasteful number, since it uses less digits than its factorization.

6143243525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77752 (or 77747 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The square root of 6143243525 is about 78378.8461576209. The cubic root of 6143243525 is about 1831.4676159283.

The spelling of 6143243525 in words is "six billion, one hundred forty-three million, two hundred forty-three thousand, five hundred twenty-five".

Divisors: 1 5 25 3301 16505 74441 82525 372205 1861025 245729741 1228648705 6143243525