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27135719424 = 21132112233
BaseRepresentation
bin11001010001011010…
…100011100000000000
32121001010122101002100
4121101122203200000
5421033221010144
620244352350400
71650306544422
oct312132434000
977033571070
1027135719424
1110565451700
125313845400
132735b4c718
141455c90812
15a8c443269
hex6516a3800

27135719424 has 432 divisors, whose sum is σ = 90060843600. Its totient is φ = 7865425920.

The previous prime is 27135719419. The next prime is 27135719437. The reversal of 27135719424 is 42491753172.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

27135719424 is a `hidden beast` number, since 2 + 71 + 3 + 571 + 9 + 4 + 2 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 27135719424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1179813877 + ... + 1179813899.

It is an arithmetic number, because the mean of its divisors is an integer number (208474175).

Almost surely, 227135719424 is an apocalyptic number.

27135719424 is a gapful number since it is divisible by the number (24) 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 27135719424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45030421800).

27135719424 is an abundant number, since it is smaller than the sum of its proper divisors (62925124176).

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

27135719424 is an equidigital number, since it uses as much as digits as its factorization.

27135719424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 39 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The spelling of 27135719424 in words is "twenty-seven billion, one hundred thirty-five million, seven hundred nineteen thousand, four hundred twenty-four".