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28682035201 = 219371307473
BaseRepresentation
bin11010101101100101…
…010010000000000001
32202000220022100120001
4122231211102000001
5432220100111301
621102031320001
72033524163611
oct325545220001
982026270501
1028682035201
1111189296626
125685680001
13292130a181
1415613aca41
15b2d08ac01
hex6ad952001

28682035201 has 4 divisors (see below), whose sum is σ = 28683364612. Its totient is φ = 28680705792.

The previous prime is 28682035199. The next prime is 28682035237. The reversal of 28682035201 is 10253028682.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19359939600 + 9322095601 = 139140^2 + 96551^2 .

It is a cyclic number.

It is not a de Polignac number, because 28682035201 - 21 = 28682035199 is a prime.

It is a super-2 number, since 2×286820352012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28682033201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631800 + ... + 675673.

It is an arithmetic number, because the mean of its divisors is an integer number (7170841153).

Almost surely, 228682035201 is an apocalyptic number.

It is an amenable number.

28682035201 is a deficient number, since it is larger than the sum of its proper divisors (1329411).

28682035201 is a wasteful number, since it uses less digits than its factorization.

28682035201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329410.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 28682035201 in words is "twenty-eight billion, six hundred eighty-two million, thirty-five thousand, two hundred one".

Divisors: 1 21937 1307473 28682035201