Base | Representation |
---|---|
bin | 1000011100000101010… |
… | …0001100110101110010 |
3 | 111212012201012210120001 |
4 | 2013001110030311302 |
5 | 4333403132001210 |
6 | 150333540540214 |
7 | 13321446012445 |
oct | 2070124146562 |
9 | 455181183501 |
10 | 144977218930 |
11 | 56536951415 |
12 | 241206b166a |
13 | 10895aa565b |
14 | 703467d65c |
15 | 3b87b7803a |
hex | 21c150cd72 |
144977218930 has 32 divisors (see below), whose sum is σ = 270707754240. Its totient is φ = 55860305280.
The previous prime is 144977218907. The next prime is 144977218937. The reversal of 144977218930 is 39812779441.
It is not an unprimeable number, because it can be changed into a prime (144977218937) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2205604 + ... + 2270383.
It is an arithmetic number, because the mean of its divisors is an integer number (8459617320).
Almost surely, 2144977218930 is an apocalyptic number.
144977218930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144977218930 is a deficient number, since it is larger than the sum of its proper divisors (125730535310).
144977218930 is a wasteful number, since it uses less digits than its factorization.
144977218930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4476114.
The product of its (nonzero) digits is 3048192, while the sum is 55.
The spelling of 144977218930 in words is "one hundred forty-four billion, nine hundred seventy-seven million, two hundred eighteen thousand, nine hundred thirty".
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