Base | Representation |
---|---|
bin | 1000011010111010101… |
… | …0100010111100000000 |
3 | 111211101220102100112001 |
4 | 2012232222202330000 |
5 | 4332233030401004 |
6 | 150242522113344 |
7 | 13310626225201 |
oct | 2065652427400 |
9 | 454356370461 |
10 | 144664309504 |
11 | 5639625a990 |
12 | 2405394b854 |
13 | 10846007950 |
14 | 7004ca95a8 |
15 | 3b6a4691a4 |
hex | 21aeaa2f00 |
144664309504 has 288 divisors, whose sum is σ = 350985083904. Its totient is φ = 58633175040.
The previous prime is 144664309483. The next prime is 144664309507. The reversal of 144664309504 is 405903466441.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144664309507) 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, 142807302 + ... + 142808314.
It is an arithmetic number, because the mean of its divisors is an integer number (1218698208).
Almost surely, 2144664309504 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144664309504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175492541952).
144664309504 is an abundant number, since it is smaller than the sum of its proper divisors (206320774400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144664309504 is a wasteful number, since it uses less digits than its factorization.
144664309504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1183 (or 1169 counting only the distinct ones).
The product of its (nonzero) digits is 1244160, while the sum is 46.
The spelling of 144664309504 in words is "one hundred forty-four billion, six hundred sixty-four million, three hundred nine thousand, five hundred four".
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