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6528542061 = 331127552751
BaseRepresentation
bin1100001010010000…
…11010010101101101
3121211222121022002010
412011020122111231
5101332301321221
62555453151433
7320532456216
oct60510322555
917758538063
106528542061
112850212308
12132248b579
13800735352
1445d0b440d
1528323cc76
hex18521a56d

6528542061 has 16 divisors (see below), whose sum is σ = 9056288768. Its totient is φ = 4178790000.

The previous prime is 6528542057. The next prime is 6528542077. The reversal of 6528542061 is 1602458256.

It is not a de Polignac number, because 6528542061 - 22 = 6528542057 is a prime.

It is a super-2 number, since 2×65285420612 = 85243722884492255442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6528542021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264565 + ... + 288186.

It is an arithmetic number, because the mean of its divisors is an integer number (566018048).

Almost surely, 26528542061 is an apocalyptic number.

It is an amenable number.

6528542061 is a deficient number, since it is larger than the sum of its proper divisors (2527746707).

6528542061 is a wasteful number, since it uses less digits than its factorization.

6528542061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552912.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 6528542061 is about 80799.3939395587. The cubic root of 6528542061 is about 1868.9832196322.

The spelling of 6528542061 in words is "six billion, five hundred twenty-eight million, five hundred forty-two thousand, sixty-one".

Divisors: 1 3 31 93 127 381 3937 11811 552751 1658253 17135281 51405843 70199377 210598131 2176180687 6528542061