Base | Representation |
---|---|
bin | 1000011110111011010… |
… | …0001110000010101010 |
3 | 111221011220121220221010 |
4 | 2013232310032002222 |
5 | 4341434042242203 |
6 | 150541410324350 |
7 | 13346405360034 |
oct | 2075664160252 |
9 | 457156556833 |
10 | 145740587178 |
11 | 5689884226a |
12 | 242b42896b6 |
13 | 10987ca0b44 |
14 | 70a7bd0c54 |
15 | 3bcebb6303 |
hex | 21eed0e0aa |
145740587178 has 16 divisors (see below), whose sum is σ = 292014053280. Its totient is φ = 48491382576.
The previous prime is 145740587177. The next prime is 145740587203. The reversal of 145740587178 is 871785047541.
It is not an unprimeable number, because it can be changed into a prime (145740587177) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22199733 + ... + 22206296.
It is an arithmetic number, because the mean of its divisors is an integer number (18250878330).
Almost surely, 2145740587178 is an apocalyptic number.
145740587178 is an abundant number, since it is smaller than the sum of its proper divisors (146273466102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145740587178 is a wasteful number, since it uses less digits than its factorization.
145740587178 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44406581.
The product of its (nonzero) digits is 8780800, while the sum is 57.
The spelling of 145740587178 in words is "one hundred forty-five billion, seven hundred forty million, five hundred eighty-seven thousand, one hundred seventy-eight".
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