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1682681043 = 3717899911
BaseRepresentation
bin110010001001011…
…1010110011010011
311100021021001110010
41210102322303103
511421231243133
6434545410003
756461360431
oct14422726323
94307231403
101682681043
1179391419a
123ab639903
1320a7c4574
1411d697d51
159cad2263
hex644bacd3

1682681043 has 8 divisors (see below), whose sum is σ = 2275174656. Its totient is φ = 1105987400.

The previous prime is 1682681017. The next prime is 1682681051. The reversal of 1682681043 is 3401862861.

1682681043 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1682681043 - 28 = 1682680787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1682680992 and 1682681010.

It is not an unprimeable number, because it can be changed into a prime (1682681053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3949743 + ... + 3950168.

It is an arithmetic number, because the mean of its divisors is an integer number (284396832).

Almost surely, 21682681043 is an apocalyptic number.

1682681043 is a deficient number, since it is larger than the sum of its proper divisors (592493613).

1682681043 is an equidigital number, since it uses as much as digits as its factorization.

1682681043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7899985.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1682681043 is about 41020.4954016891. The cubic root of 1682681043 is about 1189.4164318501.

The spelling of 1682681043 in words is "one billion, six hundred eighty-two million, six hundred eighty-one thousand, forty-three".

Divisors: 1 3 71 213 7899911 23699733 560893681 1682681043