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28322000001 = 341918402859
BaseRepresentation
bin11010011000000111…
…110110110010000001
32201002210211200010000
4122120013312302001
5431000413000001
621002210430213
72021563012401
oct323007666201
981083750100
1028322000001
1111014037879
1255a4b92369
13289484c3a9
14152964c801
15b0b66da86
hex6981f6c81

28322000001 has 20 divisors (see below), whose sum is σ = 44534921200. Its totient is φ = 17887577976.

The previous prime is 28321999997. The next prime is 28322000011. The reversal of 28322000001 is 10000022382.

It is a happy number.

It is not a de Polignac number, because 28322000001 - 22 = 28321999997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28322000011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9199891 + ... + 9202968.

It is an arithmetic number, because the mean of its divisors is an integer number (2226746060).

Almost surely, 228322000001 is an apocalyptic number.

It is an amenable number.

28322000001 is a deficient number, since it is larger than the sum of its proper divisors (16212921199).

28322000001 is a wasteful number, since it uses less digits than its factorization.

28322000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18402890 (or 18402881 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 28322000001 its reverse (10000022382), we get a palindrome (38322022383).

The spelling of 28322000001 in words is "twenty-eight billion, three hundred twenty-two million, one", and thus it is an aban number.

Divisors: 1 3 9 19 27 57 81 171 513 1539 18402859 55208577 165625731 349654321 496877193 1048962963 1490631579 3146888889 9440666667 28322000001