Base | Representation |
---|---|
bin | 11010101000111001… |
… | …101001010001100100 |
3 | 2201211102111201010201 |
4 | 122220321221101210 |
5 | 432034443043312 |
6 | 21050144000244 |
7 | 2031551426230 |
oct | 325071512144 |
9 | 81742451121 |
10 | 28603487332 |
11 | 11148a17432 |
12 | 5663300084 |
13 | 290ac67a44 |
14 | 1554ba35c0 |
15 | b26222557 |
hex | 6a8e69464 |
28603487332 has 48 divisors (see below), whose sum is σ = 59755449600. Its totient is φ = 11713629312.
The previous prime is 28603487317. The next prime is 28603487351. The reversal of 28603487332 is 23378430682.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619794 + ... + 664342.
It is an arithmetic number, because the mean of its divisors is an integer number (1244905200).
Almost surely, 228603487332 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28603487332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29877724800).
28603487332 is an abundant number, since it is smaller than the sum of its proper divisors (31151962268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28603487332 is a wasteful number, since it uses less digits than its factorization.
28603487332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45580 (or 45578 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 46.
The spelling of 28603487332 in words is "twenty-eight billion, six hundred three million, four hundred eighty-seven thousand, three hundred thirty-two".
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