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18434682141 = 36144894047
BaseRepresentation
bin10001001010110010…
…101110110100011101
31202120202002212211020
4101022302232310131
5300223234312031
612245131114353
71221554132661
oct211262566435
952522085736
1018434682141
1178aa9965a7
1236a58a29b9
13197a2c6055
14c6c45c8a1
1572d61d096
hex44acaed1d

18434682141 has 4 divisors (see below), whose sum is σ = 24579576192. Its totient is φ = 12289788092.

The previous prime is 18434682109. The next prime is 18434682157. The reversal of 18434682141 is 14128643481.

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 18434682141 - 25 = 18434682109 is a prime.

It is a super-3 number, since 3×184346821413 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18434682093 and 18434682102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18434682041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3072447021 + ... + 3072447026.

It is an arithmetic number, because the mean of its divisors is an integer number (6144894048).

Almost surely, 218434682141 is an apocalyptic number.

It is an amenable number.

18434682141 is a deficient number, since it is larger than the sum of its proper divisors (6144894051).

18434682141 is an equidigital number, since it uses as much as digits as its factorization.

18434682141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6144894050.

The product of its digits is 147456, while the sum is 42.

The spelling of 18434682141 in words is "eighteen billion, four hundred thirty-four million, six hundred eighty-two thousand, one hundred forty-one".

Divisors: 1 3 6144894047 18434682141