Base | Representation |
---|---|
bin | 111111111010101… |
… | …0001001001101000 |
3 | 12112110120112120210 |
4 | 1333311101021220 |
5 | 13343013422222 |
6 | 552451421120 |
7 | 104101253061 |
oct | 17765211150 |
9 | 5473515523 |
10 | 2144670312 |
11 | a00679604 |
12 | 4ba2b47a0 |
13 | 28242b3b5 |
14 | 164b97568 |
15 | c843cd0c |
hex | 7fd51268 |
2144670312 has 32 divisors (see below), whose sum is σ = 5492450880. Its totient is φ = 697453440.
The previous prime is 2144670293. The next prime is 2144670313. The reversal of 2144670312 is 2130764412.
It is a super-2 number, since 2×21446703122 = 9199221494348354688, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2144670312.
It is not an unprimeable number, because it can be changed into a prime (2144670313) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088788 + ... + 1090755.
It is an arithmetic number, because the mean of its divisors is an integer number (171639090).
Almost surely, 22144670312 is an apocalyptic number.
It is an amenable number.
2144670312 is an abundant number, since it is smaller than the sum of its proper divisors (3347780568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2144670312 is a wasteful number, since it uses less digits than its factorization.
2144670312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2179593 (or 2179589 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 2144670312 is about 46310.5853126475. The cubic root of 2144670312 is about 1289.5955128690.
The spelling of 2144670312 in words is "two billion, one hundred forty-four million, six hundred seventy thousand, three hundred twelve".
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