Base | Representation |
---|---|
bin | 1000011011010101000… |
… | …1011010011001110100 |
3 | 111211200122000012211001 |
4 | 2012311101122121310 |
5 | 4332444420131320 |
6 | 150301522053044 |
7 | 13313443365556 |
oct | 2066521323164 |
9 | 454618005731 |
10 | 144775161460 |
11 | 56442893676 |
12 | 24084aaa184 |
13 | 10862c7aa17 |
14 | 70158c34d6 |
15 | 3b7506420a |
hex | 21b545a674 |
144775161460 has 96 divisors (see below), whose sum is σ = 333652556160. Its totient is φ = 52574925312.
The previous prime is 144775161449. The next prime is 144775161491. The reversal of 144775161460 is 64161577441.
It is a self number, because there is not a number n which added to its sum of digits gives 144775161460.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 782434 + ... + 949606.
It is an arithmetic number, because the mean of its divisors is an integer number (3475547460).
Almost surely, 2144775161460 is an apocalyptic number.
144775161460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144775161460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166826278080).
144775161460 is an abundant number, since it is smaller than the sum of its proper divisors (188877394700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144775161460 is a wasteful number, since it uses less digits than its factorization.
144775161460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167297 (or 167295 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 46.
The spelling of 144775161460 in words is "one hundred forty-four billion, seven hundred seventy-five million, one hundred sixty-one thousand, four hundred sixty".
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