Base | Representation |
---|---|
bin | 1000011111100000010… |
… | …1011110010101000000 |
3 | 111221120202021001122211 |
4 | 2013320011132111000 |
5 | 4342243400332110 |
6 | 151005043511504 |
7 | 13353304301422 |
oct | 2077005362500 |
9 | 457522231584 |
10 | 145896105280 |
11 | 56968603322 |
12 | 24338388594 |
13 | 109b12825a3 |
14 | 70c0714812 |
15 | 3bdd68598a |
hex | 21f815e540 |
145896105280 has 56 divisors (see below), whose sum is σ = 367851296808. Its totient is φ = 54925590528.
The previous prime is 145896105269. The next prime is 145896105301. The reversal of 145896105280 is 82501698541.
It can be written as a sum of positive squares in 4 ways, for example, as 7291793664 + 138604311616 = 85392^2 + 372296^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13404129 + ... + 13415008.
Almost surely, 2145896105280 is an apocalyptic number.
145896105280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145896105280 is an abundant number, since it is smaller than the sum of its proper divisors (221955191528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145896105280 is a wasteful number, since it uses less digits than its factorization.
145896105280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26819171 (or 26819161 counting only the distinct ones).
The product of its (nonzero) digits is 691200, while the sum is 49.
The spelling of 145896105280 in words is "one hundred forty-five billion, eight hundred ninety-six million, one hundred five thousand, two hundred eighty".
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