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6528540480 = 2635721123137
BaseRepresentation
bin1100001010010000…
…11001111101000000
3121211222121012220120
412011020121331000
5101332301243410
62555453140240
7320532451500
oct60510317500
917758535816
106528540480
112850211100
12132248a680
13800734707
1445d0b3a00
1528323c570
hex185219f40

6528540480 has 1008 divisors, whose sum is σ = 28097975808. Its totient is φ = 1277337600.

The previous prime is 6528540457. The next prime is 6528540493. The reversal of 6528540480 is 840458256.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 176447022 + ... + 176447058.

It is an arithmetic number, because the mean of its divisors is an integer number (27874976).

Almost surely, 26528540480 is an apocalyptic number.

6528540480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6528540480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14048987904).

6528540480 is an abundant number, since it is smaller than the sum of its proper divisors (21569435328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6528540480 is a wasteful number, since it uses less digits than its factorization.

6528540480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 6528540480 is about 80799.3841560689. The cubic root of 6528540480 is about 1868.9830687633.

The spelling of 6528540480 in words is "six billion, five hundred twenty-eight million, five hundred forty thousand, four hundred eighty".