Base | Representation |
---|---|
bin | 11010001000000110… |
… | …111000110000111000 |
3 | 2200102002020211102202 |
4 | 122020012320300320 |
5 | 424423121414040 |
6 | 20515411445332 |
7 | 2012121130214 |
oct | 321006706070 |
9 | 80362224382 |
10 | 28053310520 |
11 | 109963a9454 |
12 | 552abb6848 |
13 | 2850c94c31 |
14 | 1501aa9944 |
15 | ae2c97015 |
hex | 6881b8c38 |
28053310520 has 16 divisors (see below), whose sum is σ = 63119948760. Its totient is φ = 11221324192.
The previous prime is 28053310507. The next prime is 28053310541. The reversal of 28053310520 is 2501335082.
It is a super-2 number, since 2×280533105202 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350666342 + ... + 350666421.
Almost surely, 228053310520 is an apocalyptic number.
28053310520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28053310520 is an abundant number, since it is smaller than the sum of its proper divisors (35066638240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28053310520 is a wasteful number, since it uses less digits than its factorization.
28053310520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 701332774 (or 701332770 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 29.
The spelling of 28053310520 in words is "twenty-eight billion, fifty-three million, three hundred ten thousand, five hundred twenty".
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