Base | Representation |
---|---|
bin | 1000011011001111110… |
… | …0100011011100010000 |
3 | 111211122002011001010000 |
4 | 2012303330203130100 |
5 | 4332423221304430 |
6 | 150255405210000 |
7 | 13313053325652 |
oct | 2066374433420 |
9 | 454562131100 |
10 | 144752916240 |
11 | 5643127a499 |
12 | 24079560900 |
13 | 1085b48c67a |
14 | 70129726d2 |
15 | 3b7311ce60 |
hex | 21b3f23710 |
144752916240 has 100 divisors (see below), whose sum is σ = 502748345484. Its totient is φ = 38600775936.
The previous prime is 144752916197. The next prime is 144752916271. The reversal of 144752916240 is 42619257441.
144752916240 is a `hidden beast` number, since 1 + 447 + 5 + 2 + 9 + 162 + 40 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 111320987904 + 33431928336 = 333648^2 + 182844^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11162727 + ... + 11175686.
Almost surely, 2144752916240 is an apocalyptic number.
144752916240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144752916240 is an abundant number, since it is smaller than the sum of its proper divisors (357995429244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144752916240 is a wasteful number, since it uses less digits than its factorization.
144752916240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22338438 (or 22338423 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 45.
The spelling of 144752916240 in words is "one hundred forty-four billion, seven hundred fifty-two million, nine hundred sixteen thousand, two hundred forty".
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