Base | Representation |
---|---|
bin | 1100111111011100001011… |
… | …00010100011011011011000 |
3 | 10202011002011202211220010101 |
4 | 12133232011202203123120 |
5 | 12221024400341212212 |
6 | 140431553401025144 |
7 | 6005655232441645 |
oct | 637560542433330 |
9 | 122132152756111 |
10 | 28568067913432 |
11 | 9114716629583 |
12 | 32548241851b4 |
13 | 12c2c5a0b3ac8 |
14 | 70a9b7cb8dcc |
15 | 3481c35e5157 |
hex | 19fb858a36d8 |
28568067913432 has 32 divisors (see below), whose sum is σ = 54122916229200. Its totient is φ = 14135320571904.
The previous prime is 28568067913391. The next prime is 28568067913433. The reversal of 28568067913432 is 23431976086582.
It is a super-2 number, since 2×285680679134322 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28568067913433) 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, 5667408 + ... + 9447520.
It is a 1-persistent number, because it is pandigital, but 2⋅28568067913432 = 57136135826864 is not.
Almost surely, 228568067913432 is an apocalyptic number.
It is an amenable number.
28568067913432 is a deficient number, since it is larger than the sum of its proper divisors (25554848315768).
28568067913432 is a wasteful number, since it uses less digits than its factorization.
28568067913432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3789955 (or 3789951 counting only the distinct ones).
The product of its (nonzero) digits is 104509440, while the sum is 64.
The spelling of 28568067913432 in words is "twenty-eight trillion, five hundred sixty-eight billion, sixty-seven million, nine hundred thirteen thousand, four hundred thirty-two".
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