Base | Representation |
---|---|
bin | 1000011010000000011… |
… | …1001110000111110100 |
3 | 111210202220000200120210 |
4 | 2012200013032013310 |
5 | 4331233030340210 |
6 | 150202401225420 |
7 | 13301603114001 |
oct | 2064007160764 |
9 | 453686020523 |
10 | 144420168180 |
11 | 562804689a2 |
12 | 23ba6032270 |
13 | 10807566b22 |
14 | 6dc06b68a8 |
15 | 3b53ce0e20 |
hex | 21a01ce1f4 |
144420168180 has 48 divisors (see below), whose sum is σ = 406713936384. Its totient is φ = 38289429120.
The previous prime is 144420168163. The next prime is 144420168197. The reversal of 144420168180 is 81861024441.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (144420168163) and next prime (144420168197).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6946276 + ... + 6967035.
It is an arithmetic number, because the mean of its divisors is an integer number (8473207008).
Almost surely, 2144420168180 is an apocalyptic number.
144420168180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144420168180 is an abundant number, since it is smaller than the sum of its proper divisors (262293768204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144420168180 is a wasteful number, since it uses less digits than its factorization.
144420168180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13913496 (or 13913494 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 39.
The spelling of 144420168180 in words is "one hundred forty-four billion, four hundred twenty million, one hundred sixty-eight thousand, one hundred eighty".
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