Base | Representation |
---|---|
bin | 11010100100110101… |
… | …000110001000011110 |
3 | 2201122122222122020220 |
4 | 122210311012020132 |
5 | 431420001422300 |
6 | 21035304022210 |
7 | 2030062035645 |
oct | 324465061036 |
9 | 81578878226 |
10 | 28535185950 |
11 | 11113406607 |
12 | 5644461966 |
13 | 28c9a7241b |
14 | 1549aa435c |
15 | b2022eda0 |
hex | 6a4d4621e |
28535185950 has 48 divisors (see below), whose sum is σ = 74930047920. Its totient is φ = 7161771520.
The previous prime is 28535185907. The next prime is 28535185993. The reversal of 28535185950 is 5958153582.
It is an interprime number because it is at equal distance from previous prime (28535185907) and next prime (28535185993).
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a junction number, because it is equal to n+sod(n) for n = 28535185893 and 28535185902.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5592585 + ... + 5597684.
It is an arithmetic number, because the mean of its divisors is an integer number (1561042665).
Almost surely, 228535185950 is an apocalyptic number.
28535185950 is an abundant number, since it is smaller than the sum of its proper divisors (46394861970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28535185950 is a wasteful number, since it uses less digits than its factorization.
28535185950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11190301 (or 11190296 counting only the distinct ones).
The product of its (nonzero) digits is 2160000, while the sum is 51.
The spelling of 28535185950 in words is "twenty-eight billion, five hundred thirty-five million, one hundred eighty-five thousand, nine hundred fifty".
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