Base | Representation |
---|---|
bin | 11010100001110001… |
… | …011111001110100100 |
3 | 2201112002111110211200 |
4 | 122201301133032210 |
5 | 431313340033031 |
6 | 21030233002500 |
7 | 2025600141030 |
oct | 324161371644 |
9 | 81462443750 |
10 | 28483908516 |
11 | 11097473068 |
12 | 562b253430 |
13 | 28bc25a74b |
14 | 1542d571c0 |
15 | b1a9a18e6 |
hex | 6a1c5f3a4 |
28483908516 has 144 divisors (see below), whose sum is σ = 85363299840. Its totient is φ = 7839037440.
The previous prime is 28483908499. The next prime is 28483908559. The reversal of 28483908516 is 61580938482.
28483908516 is a `hidden beast` number, since 28 + 483 + 90 + 8 + 51 + 6 = 666.
It is a super-2 number, since 2×284839085162 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 798780 + ... + 833676.
Almost surely, 228483908516 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 28483908516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42681649920).
28483908516 is an abundant number, since it is smaller than the sum of its proper divisors (56879391324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28483908516 is a wasteful number, since it uses less digits than its factorization.
28483908516 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35034 (or 35029 counting only the distinct ones).
The product of its (nonzero) digits is 3317760, while the sum is 54.
The spelling of 28483908516 in words is "twenty-eight billion, four hundred eighty-three million, nine hundred eight thousand, five hundred sixteen".
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