Base | Representation |
---|---|
bin | 11010001101000001… |
… | …001110100101111110 |
3 | 2200121211022022121000 |
4 | 122031001032211332 |
5 | 430110220310100 |
6 | 20531513551130 |
7 | 2014141421136 |
oct | 321501164576 |
9 | 80554268530 |
10 | 28135713150 |
11 | 10a289707a6 |
12 | 55527154a6 |
13 | 2865086a9c |
14 | 150c9d9ac6 |
15 | aea122900 |
hex | 68d04e97e |
28135713150 has 384 divisors, whose sum is σ = 86085918720. Its totient is φ = 6725376000.
The previous prime is 28135713103. The next prime is 28135713161. The reversal of 28135713150 is 5131753182.
It is a happy number.
28135713150 is a `hidden beast` number, since 2 + 8 + 1 + 3 + 571 + 31 + 50 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 50512672 + ... + 50513228.
It is an arithmetic number, because the mean of its divisors is an integer number (224182080).
Almost surely, 228135713150 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28135713150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43042959360).
28135713150 is an abundant number, since it is smaller than the sum of its proper divisors (57950205570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28135713150 is a wasteful number, since it uses less digits than its factorization.
28135713150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 697 (or 686 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 36.
The spelling of 28135713150 in words is "twenty-eight billion, one hundred thirty-five million, seven hundred thirteen thousand, one hundred fifty".
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