Base | Representation |
---|---|
bin | 111111110110101… |
… | …0001111011101110 |
3 | 12112022122011020020 |
4 | 1333231101323232 |
5 | 13341444420431 |
6 | 552334503010 |
7 | 104044412220 |
oct | 17755217356 |
9 | 5468564206 |
10 | 2142576366 |
11 | 9aa479377 |
12 | 4b9664a66 |
13 | 281b77288 |
14 | 1647b0410 |
15 | c8177696 |
hex | 7fb51eee |
2142576366 has 16 divisors (see below), whose sum is σ = 4897317504. Its totient is φ = 612164664.
The previous prime is 2142576349. The next prime is 2142576367. The reversal of 2142576366 is 6636752412.
It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 51013723 = 2142576366 / (2 + 1 + 4 + 2 + 5 + 7 + 6 + 3 + 6 + 6).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2142576367) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25506820 + ... + 25506903.
It is an arithmetic number, because the mean of its divisors is an integer number (306082344).
Almost surely, 22142576366 is an apocalyptic number.
2142576366 is an abundant number, since it is smaller than the sum of its proper divisors (2754741138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2142576366 is a wasteful number, since it uses less digits than its factorization.
2142576366 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51013735.
The product of its digits is 362880, while the sum is 42.
The square root of 2142576366 is about 46287.9721526014. The cubic root of 2142576366 is about 1289.1756779177.
The spelling of 2142576366 in words is "two billion, one hundred forty-two million, five hundred seventy-six thousand, three hundred sixty-six".
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