Base | Representation |
---|---|
bin | 1101000111010111000100… |
… | …10010111011011110011000 |
3 | 10210010002121121121211020120 |
4 | 12203223202102323132120 |
5 | 12240004221000211420 |
6 | 141201001434553240 |
7 | 6034431134024304 |
oct | 643534222733630 |
9 | 123102547554216 |
10 | 28840207038360 |
11 | 920a077012a93 |
12 | 3299512b98820 |
13 | 1312809a86903 |
14 | 719c32b24d04 |
15 | 3502eed6ed40 |
hex | 1a3ae24bb798 |
28840207038360 has 64 divisors (see below), whose sum is σ = 86531538643200. Its totient is φ = 7689751430016.
The previous prime is 28840207038353. The next prime is 28840207038361. The reversal of 28840207038360 is 6383070204882.
It is a happy number.
It is a super-2 number, since 2×288402070383602 (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 (28840207038361) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14208030 + ... + 16110509.
It is an arithmetic number, because the mean of its divisors is an integer number (1352055291300).
Almost surely, 228840207038360 is an apocalyptic number.
28840207038360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28840207038360 is an abundant number, since it is smaller than the sum of its proper divisors (57691331604840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28840207038360 is a wasteful number, since it uses less digits than its factorization.
28840207038360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30326480 (or 30326476 counting only the distinct ones).
The product of its (nonzero) digits is 3096576, while the sum is 51.
The spelling of 28840207038360 in words is "twenty-eight trillion, eight hundred forty billion, two hundred seven million, thirty-eight thousand, three hundred sixty".
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