Base | Representation |
---|---|
bin | 1000011011010000000… |
… | …1100011010111110000 |
3 | 111211122011121121200112 |
4 | 2012310001203113300 |
5 | 4332424040223142 |
6 | 150255453240452 |
7 | 13313100424316 |
oct | 2066401432760 |
9 | 454564547615 |
10 | 144754226672 |
11 | 56431a94aa0 |
12 | 24079a93128 |
13 | 1085b82ac83 |
14 | 7012bd40b6 |
15 | 3b732cb382 |
hex | 21b40635f0 |
144754226672 has 40 divisors (see below), whose sum is σ = 311730606000. Its totient is φ = 64555911680.
The previous prime is 144754226647. The next prime is 144754226677. The reversal of 144754226672 is 276622457441.
It is a super-2 number, since 2×1447542266722 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 144754226672.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144754226677) 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, 7749797 + ... + 7768452.
It is an arithmetic number, because the mean of its divisors is an integer number (7793265150).
Almost surely, 2144754226672 is an apocalyptic number.
It is an amenable number.
144754226672 is an abundant number, since it is smaller than the sum of its proper divisors (166976379328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144754226672 is a wasteful number, since it uses less digits than its factorization.
144754226672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15518321 (or 15518315 counting only the distinct ones).
The product of its digits is 4515840, while the sum is 50.
The spelling of 144754226672 in words is "one hundred forty-four billion, seven hundred fifty-four million, two hundred twenty-six thousand, six hundred seventy-two".
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