Base | Representation |
---|---|
bin | 1000000001010001… |
… | …0011110100101011 |
3 | 12120000212222000101 |
4 | 2000110103310223 |
5 | 13402104321343 |
6 | 553342050231 |
7 | 104230364233 |
oct | 20024236453 |
9 | 5500788011 |
10 | 2152807723 |
11 | a05227340 |
12 | 500b79977 |
13 | 28401a231 |
14 | 165cb4cc3 |
15 | c8ee8e4d |
hex | 80513d2b |
2152807723 has 8 divisors (see below), whose sum is σ = 2353662000. Its totient is φ = 1952810880.
The previous prime is 2152807697. The next prime is 2152807729. The reversal of 2152807723 is 3277082512.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2152807723 - 25 = 2152807691 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2152807729) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209098 + ... + 219151.
It is an arithmetic number, because the mean of its divisors is an integer number (294207750).
Almost surely, 22152807723 is an apocalyptic number.
2152807723 is a deficient number, since it is larger than the sum of its proper divisors (200854277).
2152807723 is a wasteful number, since it uses less digits than its factorization.
2152807723 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 428717.
The product of its (nonzero) digits is 47040, while the sum is 37.
The square root of 2152807723 is about 46398.3590550356. The cubic root of 2152807723 is about 1291.2244694379.
The spelling of 2152807723 in words is "two billion, one hundred fifty-two million, eight hundred seven thousand, seven hundred twenty-three".
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