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2159405683 is a prime number
BaseRepresentation
bin1000000010110101…
…1110101001110011
312120111022011201021
42000231132221303
513410301440213
6554135320311
7104340434251
oct20055365163
95514264637
102159405683
11a08a234a6
12503220097
132854ba456
14166b115d1
15c989dd8d
hex80b5ea73

2159405683 has 2 divisors, whose sum is σ = 2159405684. Its totient is φ = 2159405682.

The previous prime is 2159405653. The next prime is 2159405693. The reversal of 2159405683 is 3865049512.

2159405683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2159405683 - 213 = 2159397491 is a prime.

It is not a weakly prime, because it can be changed into another prime (2159405653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079702841 + 1079702842.

It is an arithmetic number, because the mean of its divisors is an integer number (1079702842).

Almost surely, 22159405683 is an apocalyptic number.

2159405683 is a deficient number, since it is larger than the sum of its proper divisors (1).

2159405683 is an equidigital number, since it uses as much as digits as its factorization.

2159405683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 2159405683 is about 46469.4058817196. The cubic root of 2159405683 is about 1292.5422459993.

The spelling of 2159405683 in words is "two billion, one hundred fifty-nine million, four hundred five thousand, six hundred eighty-three".