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27530755253 = 157552731727
BaseRepresentation
bin11001101000111101…
…011111110010110101
32122001122222021100222
4121220331133302311
5422340333132003
620351503344125
71663144362401
oct315075376265
978048867328
1027530755253
11107484369a1
125403bb2045
132799943631
141492522101
15ab1e75c38
hex668f5fcb5

27530755253 has 8 divisors (see below), whose sum is σ = 27711996672. Its totient is φ = 27349588656.

The previous prime is 27530755169. The next prime is 27530755271. The reversal of 27530755253 is 35255703572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27530755253 - 226 = 27463646389 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 (27530752253) 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, 851876 + ... + 883602.

It is an arithmetic number, because the mean of its divisors is an integer number (3463999584).

Almost surely, 227530755253 is an apocalyptic number.

It is an amenable number.

27530755253 is a deficient number, since it is larger than the sum of its proper divisors (181241419).

27530755253 is a wasteful number, since it uses less digits than its factorization.

27530755253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37411.

The product of its (nonzero) digits is 1102500, while the sum is 44.

The spelling of 27530755253 in words is "twenty-seven billion, five hundred thirty million, seven hundred fifty-five thousand, two hundred fifty-three".

Divisors: 1 157 5527 31727 867739 4981139 175355129 27530755253