Base | Representation |
---|---|
bin | 111111111111111… |
… | …1000000000101010 |
3 | 12112122210210212100 |
4 | 1333333320000222 |
5 | 13344221412142 |
6 | 553031154230 |
7 | 104134013601 |
oct | 17777700052 |
9 | 5478723770 |
10 | 2147450922 |
11 | a021a8731 |
12 | 4bb215976 |
13 | 282b92c26 |
14 | 1652bca38 |
15 | c87dbb4c |
hex | 7fff802a |
2147450922 has 24 divisors (see below), whose sum is σ = 4657407300. Its totient is φ = 715109760.
The previous prime is 2147450861. The next prime is 2147450923. The reversal of 2147450922 is 2290547412.
2147450922 is a `hidden beast` number, since 2 + 147 + 4 + 509 + 2 + 2 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 2032296561 + 115154361 = 45081^2 + 10731^2 .
It is a super-2 number, since 2×21474509222 = 9223090924797300168, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2147450923) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40047 + ... + 76802.
Almost surely, 22147450922 is an apocalyptic number.
2147450922 is an abundant number, since it is smaller than the sum of its proper divisors (2509956378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2147450922 is a wasteful number, since it uses less digits than its factorization.
2147450922 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117878 (or 117875 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The square root of 2147450922 is about 46340.5969102686. The cubic root of 2147450922 is about 1290.1526013811.
The spelling of 2147450922 in words is "two billion, one hundred forty-seven million, four hundred fifty thousand, nine hundred twenty-two".
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