Base | Representation |
---|---|
bin | 11010110100101001… |
… | …111110001111010100 |
3 | 2202100011121102121000 |
4 | 122310221332033110 |
5 | 432440440033432 |
6 | 21121511023300 |
7 | 2036464646256 |
oct | 326451761724 |
9 | 82304542530 |
10 | 28800705492 |
11 | 1123a27a349 |
12 | 56b936ab30 |
13 | 293ca89a90 |
14 | 157305dcd6 |
15 | b386cc57c |
hex | 6b4a7e3d4 |
28800705492 has 96 divisors (see below), whose sum is σ = 81612675200. Its totient is φ = 8729462016.
The previous prime is 28800705491. The next prime is 28800705497. The reversal of 28800705492 is 29450700882.
28800705492 is a `hidden beast` number, since 28 + 80 + 0 + 7 + 0 + 549 + 2 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28800705491) 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, 59017 + ... + 247152.
Almost surely, 228800705492 is an apocalyptic number.
It is an amenable number.
28800705492 is an abundant number, since it is smaller than the sum of its proper divisors (52811969708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28800705492 is a wasteful number, since it uses less digits than its factorization.
28800705492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 306262 (or 306254 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The spelling of 28800705492 in words is "twenty-eight billion, eight hundred million, seven hundred five thousand, four hundred ninety-two".
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