Base | Representation |
---|---|
bin | 1111101010100101… |
… | …1101010110110000 |
3 | 101212001202212201110 |
4 | 3322221131112300 |
5 | 32103011002034 |
6 | 1533135233320 |
7 | 206131242045 |
oct | 37251352660 |
9 | 11761685643 |
10 | 4205172144 |
11 | 186878a088 |
12 | 994378840 |
13 | 520299c54 |
14 | 2bc6c11cc |
15 | 1992a1de9 |
hex | faa5d5b0 |
4205172144 has 40 divisors (see below), whose sum is σ = 11237963760. Its totient is φ = 1353388288.
The previous prime is 4205172089. The next prime is 4205172151. The reversal of 4205172144 is 4412715024.
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, 1509087 + ... + 1511870.
It is an arithmetic number, because the mean of its divisors is an integer number (280949094).
Almost surely, 24205172144 is an apocalyptic number.
It is an amenable number.
4205172144 is an abundant number, since it is smaller than the sum of its proper divisors (7032791616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4205172144 is a wasteful number, since it uses less digits than its factorization.
4205172144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3020997 (or 3020991 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 30.
The square root of 4205172144 is about 64847.2986638611. The cubic root of 4205172144 is about 1614.0906668309.
Adding to 4205172144 its reverse (4412715024), we get a palindrome (8617887168).
The spelling of 4205172144 in words is "four billion, two hundred five million, one hundred seventy-two thousand, one hundred forty-four".
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