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184342129921 = 293962722739
BaseRepresentation
bin1010101110101110100…
…1011010110100000001
3122121211010020110201101
42223223221122310001
511010013041124141
6220404031334401
716214112152005
oct2535351326401
9577733213641
10184342129921
11711a7365704
122b887981401
13144ca3c4bb1
148cca76c705
154bdda10531
hex2aeba5ad01

184342129921 has 4 divisors (see below), whose sum is σ = 184404855600. Its totient is φ = 184279404244.

The previous prime is 184342129871. The next prime is 184342129927. The reversal of 184342129921 is 129921243481.

184342129921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 184342129921 - 27 = 184342129793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (184342129927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31358431 + ... + 31364308.

It is an arithmetic number, because the mean of its divisors is an integer number (46101213900).

Almost surely, 2184342129921 is an apocalyptic number.

It is an amenable number.

184342129921 is a deficient number, since it is larger than the sum of its proper divisors (62725679).

184342129921 is an equidigital number, since it uses as much as digits as its factorization.

184342129921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62725678.

The product of its digits is 248832, while the sum is 46.

The spelling of 184342129921 in words is "one hundred eighty-four billion, three hundred forty-two million, one hundred twenty-nine thousand, nine hundred twenty-one".

Divisors: 1 2939 62722739 184342129921