Base | Representation |
---|---|
bin | 11010101000011111… |
… | …001010011000111001 |
3 | 2201210221110000011022 |
4 | 122220133022120321 |
5 | 432031203420311 |
6 | 21045335112225 |
7 | 2031435423356 |
oct | 325037123071 |
9 | 81727400138 |
10 | 28596545081 |
11 | 11145005635 |
12 | 5660b12675 |
13 | 29096a6bc0 |
14 | 1553cb762d |
15 | b258005db |
hex | 6a87ca639 |
28596545081 has 32 divisors (see below), whose sum is σ = 32723738880. Its totient is φ = 24788332800.
The previous prime is 28596545041. The next prime is 28596545083. The reversal of 28596545081 is 18054569582.
It is not a de Polignac number, because 28596545081 - 210 = 28596544057 is a prime.
It is a super-2 number, since 2×285965450812 (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 (28596545083) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12602015 + ... + 12604283.
It is an arithmetic number, because the mean of its divisors is an integer number (1022616840).
Almost surely, 228596545081 is an apocalyptic number.
It is an amenable number.
28596545081 is a deficient number, since it is larger than the sum of its proper divisors (4127193799).
28596545081 is a wasteful number, since it uses less digits than its factorization.
28596545081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3057.
The product of its (nonzero) digits is 3456000, while the sum is 53.
The spelling of 28596545081 in words is "twenty-eight billion, five hundred ninety-six million, five hundred forty-five thousand, eighty-one".
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