Base | Representation |
---|---|
bin | 11010111101110101… |
… | …111010000011100100 |
3 | 2202201220121201100010 |
4 | 122331311322003210 |
5 | 433244414012103 |
6 | 21145054250220 |
7 | 2043345662106 |
oct | 327565720344 |
9 | 82656551303 |
10 | 28954829028 |
11 | 11309278674 |
12 | 5740ab6970 |
13 | 29659a0838 |
14 | 15896dd576 |
15 | b46ec3903 |
hex | 6bdd7a0e4 |
28954829028 has 24 divisors (see below), whose sum is σ = 67781345632. Its totient is φ = 9620169984.
The previous prime is 28954829023. The next prime is 28954829077. The reversal of 28954829028 is 82092845982.
It is a super-2 number, since 2×289548290282 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28954829023) 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, 3926125 + ... + 3933492.
Almost surely, 228954829028 is an apocalyptic number.
It is an amenable number.
28954829028 is an abundant number, since it is smaller than the sum of its proper divisors (38826516604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28954829028 is a wasteful number, since it uses less digits than its factorization.
28954829028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7859931 (or 7859929 counting only the distinct ones).
The product of its (nonzero) digits is 6635520, while the sum is 57.
The spelling of 28954829028 in words is "twenty-eight billion, nine hundred fifty-four million, eight hundred twenty-nine thousand, twenty-eight".
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