Base | Representation |
---|---|
bin | 111100000101010101… |
… | …111101011011000110 |
3 | 20011112002202111100000 |
4 | 330011111331123012 |
5 | 2024111110332014 |
6 | 45345402102130 |
7 | 4442502150045 |
oct | 740525753306 |
9 | 204462674300 |
10 | 64514152134 |
11 | 253a6614403 |
12 | 106057aa946 |
13 | 6111a4a423 |
14 | 31a020455c |
15 | 1a28bd9509 |
hex | f0557d6c6 |
64514152134 has 48 divisors (see below), whose sum is σ = 145192582080. Its totient is φ = 21469876200.
The previous prime is 64514152099. The next prime is 64514152139. The reversal of 64514152134 is 43125141546.
64514152134 is a `hidden beast` number, since 6 + 4 + 514 + 1 + 5 + 2 + 134 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64514152139) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193609 + ... + 408059.
It is an arithmetic number, because the mean of its divisors is an integer number (3024845460).
Almost surely, 264514152134 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64514152134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72596291040).
64514152134 is an abundant number, since it is smaller than the sum of its proper divisors (80678429946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64514152134 is a wasteful number, since it uses less digits than its factorization.
64514152134 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215087 (or 215075 counting only the distinct ones).
The product of its digits is 57600, while the sum is 36.
The spelling of 64514152134 in words is "sixty-four billion, five hundred fourteen million, one hundred fifty-two thousand, one hundred thirty-four".
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