Base | Representation |
---|---|
bin | 1000011011101101000… |
… | …0101110100111001110 |
3 | 111211221122002022212002 |
4 | 2012323100232213032 |
5 | 4333201131123030 |
6 | 150315511512302 |
7 | 13316103444620 |
oct | 2067320564716 |
9 | 454848068762 |
10 | 144875645390 |
11 | 56494585743 |
12 | 240b2688692 |
13 | 1087aa30878 |
14 | 7024d9cc10 |
15 | 3b7dcb2245 |
hex | 21bb42e9ce |
144875645390 has 64 divisors (see below), whose sum is σ = 308389593600. Its totient is φ = 47945955456.
The previous prime is 144875645377. The next prime is 144875645399. The reversal of 144875645390 is 93546578441.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144875645399) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10262717 + ... + 10276823.
It is an arithmetic number, because the mean of its divisors is an integer number (4818587400).
Almost surely, 2144875645390 is an apocalyptic number.
144875645390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144875645390 is an abundant number, since it is smaller than the sum of its proper divisors (163513948210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144875645390 is a wasteful number, since it uses less digits than its factorization.
144875645390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19209.
The product of its (nonzero) digits is 14515200, while the sum is 56.
The spelling of 144875645390 in words is "one hundred forty-four billion, eight hundred seventy-five million, six hundred forty-five thousand, three hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •