Base | Representation |
---|---|
bin | 111111111010001… |
… | …0110000110001110 |
3 | 12112110010020210012 |
4 | 1333310112012032 |
5 | 13342433202210 |
6 | 552442313222 |
7 | 104066224634 |
oct | 17764260616 |
9 | 5473106705 |
10 | 2144428430 |
11 | a00523901 |
12 | 4ba1b8812 |
13 | 282375281 |
14 | 164b33354 |
15 | c83e1305 |
hex | 7fd1618e |
2144428430 has 16 divisors (see below), whose sum is σ = 3860691120. Its totient is φ = 857611392.
The previous prime is 2144428427. The next prime is 2144428469. The reversal of 2144428430 is 348244412.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46982 + ... + 80598.
It is an arithmetic number, because the mean of its divisors is an integer number (241293195).
Almost surely, 22144428430 is an apocalyptic number.
2144428430 is a deficient number, since it is larger than the sum of its proper divisors (1716262690).
2144428430 is a wasteful number, since it uses less digits than its factorization.
2144428430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40003.
The product of its (nonzero) digits is 24576, while the sum is 32.
The square root of 2144428430 is about 46307.9737194363. The cubic root of 2144428430 is about 1289.5470296332.
The spelling of 2144428430 in words is "two billion, one hundred forty-four million, four hundred twenty-eight thousand, four hundred thirty".
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