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27832073429 = 138592008231
BaseRepresentation
bin11001111010111010…
…111011110011010101
32122211122221211012102
4121322322323303111
5424000002322204
620441425531445
72003463502136
oct317272736325
978748854172
1027832073429
1110892530786
125488aa3b85
1328171b3404
1414c0559c8d
15acd64541e
hex67aebbcd5

27832073429 has 4 divisors (see below), whose sum is σ = 27834095520. Its totient is φ = 27830051340.

The previous prime is 27832073393. The next prime is 27832073441. The reversal of 27832073429 is 92437023872.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27832073429 is a prime.

It is a super-2 number, since 2×278320734292 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27832073029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990257 + ... + 1017974.

It is an arithmetic number, because the mean of its divisors is an integer number (6958523880).

Almost surely, 227832073429 is an apocalyptic number.

It is an amenable number.

27832073429 is a deficient number, since it is larger than the sum of its proper divisors (2022091).

27832073429 is a wasteful number, since it uses less digits than its factorization.

27832073429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022090.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 27832073429 in words is "twenty-seven billion, eight hundred thirty-two million, seventy-three thousand, four hundred twenty-nine".

Divisors: 1 13859 2008231 27832073429