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27242034505 = 571131168813
BaseRepresentation
bin11001010111110000…
…000111010101001001
32121022112200201221221
4121113300013111021
5421242430101010
620303111202041
71653040321060
oct312760072511
977275621857
1027242034505
111060a466804
125343376321
132751b9475a
1414660471d7
15a96943dda
hex657c07549

27242034505 has 16 divisors (see below), whose sum is σ = 37364350464. Its totient is φ = 18678329280.

The previous prime is 27242034497. The next prime is 27242034527. The reversal of 27242034505 is 50543024272.

It is not a de Polignac number, because 27242034505 - 23 = 27242034497 is a prime.

It is a super-2 number, since 2×272420345052 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361479 + ... + 430291.

It is an arithmetic number, because the mean of its divisors is an integer number (2335271904).

Almost surely, 227242034505 is an apocalyptic number.

It is an amenable number.

27242034505 is a deficient number, since it is larger than the sum of its proper divisors (10122315959).

27242034505 is a wasteful number, since it uses less digits than its factorization.

27242034505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80136.

The product of its (nonzero) digits is 67200, while the sum is 34.

Adding to 27242034505 its reverse (50543024272), we get a palindrome (77785058777).

The spelling of 27242034505 in words is "twenty-seven billion, two hundred forty-two million, thirty-four thousand, five hundred five".

Divisors: 1 5 7 35 11311 56555 68813 79177 344065 395885 481691 2408455 778343843 3891719215 5448406901 27242034505