Base | Representation |
---|---|
bin | 1000000001011000… |
… | …0000000110000101 |
3 | 12120001201111100122 |
4 | 2000112000012011 |
5 | 13402213014310 |
6 | 553355351325 |
7 | 104234222210 |
oct | 20026000605 |
9 | 5501644318 |
10 | 2153251205 |
11 | a054aa556 |
12 | 501152545 |
13 | 284144051 |
14 | 165d8c777 |
15 | c9085555 |
hex | 80580185 |
2153251205 has 16 divisors (see below), whose sum is σ = 2966283264. Its totient is φ = 1469888640.
The previous prime is 2153251181. The next prime is 2153251211. The reversal of 2153251205 is 5021523512.
It is not a de Polignac number, because 2153251205 - 210 = 2153250181 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130136 + ... + 145745.
It is an arithmetic number, because the mean of its divisors is an integer number (185392704).
Almost surely, 22153251205 is an apocalyptic number.
It is an amenable number.
2153251205 is a deficient number, since it is larger than the sum of its proper divisors (813032059).
2153251205 is a wasteful number, since it uses less digits than its factorization.
2153251205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 276116.
The product of its (nonzero) digits is 3000, while the sum is 26.
The square root of 2153251205 is about 46403.1378788116. The cubic root of 2153251205 is about 1291.3131281520.
Adding to 2153251205 its reverse (5021523512), we get a palindrome (7174774717).
The spelling of 2153251205 in words is "two billion, one hundred fifty-three million, two hundred fifty-one thousand, two hundred five".
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