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1668500034 = 23278083339
BaseRepresentation
bin110001101110011…
…0100101001000010
311022021120120202120
41203130310221002
511404114000114
6433321425110
756230005405
oct14334645102
94267516676
101668500034
11786908853
123a693b196
1320789a936
1411b845d3c
159b7305a9
hex63734a42

1668500034 has 8 divisors (see below), whose sum is σ = 3337000080. Its totient is φ = 556166676.

The previous prime is 1668500033. The next prime is 1668500039. The reversal of 1668500034 is 4300058661.

It is a sphenic number, since it is the product of 3 distinct primes.

1668500034 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1668499968 and 1668500004.

It is not an unprimeable number, because it can be changed into a prime (1668500033) 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, 139041664 + ... + 139041675.

It is an arithmetic number, because the mean of its divisors is an integer number (417125010).

Almost surely, 21668500034 is an apocalyptic number.

1668500034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1668500034 is a wasteful number, since it uses less digits than its factorization.

1668500034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278083344.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1668500034 is about 40847.2769471846. The cubic root of 1668500034 is about 1186.0656816528.

Adding to 1668500034 its reverse (4300058661), we get a palindrome (5968558695).

The spelling of 1668500034 in words is "one billion, six hundred sixty-eight million, five hundred thousand, thirty-four".

Divisors: 1 2 3 6 278083339 556166678 834250017 1668500034