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27530053000 = 235327530053
BaseRepresentation
bin11001101000111010…
…110100010110001000
32122001121122121001121
4121220322310112020
5422340143144000
620351440325024
71663135406122
oct315072642610
978047577047
1027530053000
1110747aa731a
125403913774
132799758ab8
1414923bc212
15ab1d87b1a
hex668eb4588

27530053000 has 32 divisors (see below), whose sum is σ = 64420326360. Its totient is φ = 11012020800.

The previous prime is 27530052989. The next prime is 27530053003. The reversal of 27530053000 is 35003572.

It can be written as a sum of positive squares in 4 ways, for example, as 4369474404 + 23160578596 = 66102^2 + 152186^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (27530053003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13764027 + ... + 13766026.

Almost surely, 227530053000 is an apocalyptic number.

27530053000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27530053000 is an abundant number, since it is smaller than the sum of its proper divisors (36890273360).

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

27530053000 is a wasteful number, since it uses less digits than its factorization.

27530053000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27530074 (or 27530060 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 25.

Adding to 27530053000 its reverse (35003572), we get a palindrome (27565056572).

The spelling of 27530053000 in words is "twenty-seven billion, five hundred thirty million, fifty-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 27530053 55060106 110120212 137650265 220240424 275300530 550601060 688251325 1101202120 1376502650 2753005300 3441256625 5506010600 6882513250 13765026500 27530053000