Base | Representation |
---|---|
bin | 1000010011111100… |
… | …0100010011010101 |
3 | 12202111020220101212 |
4 | 2010333010103111 |
5 | 14032132001310 |
6 | 1005220431205 |
7 | 106201152131 |
oct | 20477042325 |
9 | 5674226355 |
10 | 2231125205 |
11 | a45459431 |
12 | 523248505 |
13 | 29730b83a |
14 | 1724603c1 |
15 | d0d19205 |
hex | 84fc44d5 |
2231125205 has 8 divisors (see below), whose sum is σ = 2698432512. Its totient is φ = 1770845328.
The previous prime is 2231125187. The next prime is 2231125243. The reversal of 2231125205 is 5025211322.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2231125205 - 28 = 2231124949 is a prime.
It is a super-3 number, since 3×22311252053 (a number of 29 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
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, 1756157 + ... + 1757426.
It is an arithmetic number, because the mean of its divisors is an integer number (337304064).
Almost surely, 22231125205 is an apocalyptic number.
It is an amenable number.
2231125205 is a deficient number, since it is larger than the sum of its proper divisors (467307307).
2231125205 is a wasteful number, since it uses less digits than its factorization.
2231125205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3513715.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 2231125205 is about 47234.7880803968. The cubic root of 2231125205 is about 1306.6962582309.
Adding to 2231125205 its reverse (5025211322), we get a palindrome (7256336527).
The spelling of 2231125205 in words is "two billion, two hundred thirty-one million, one hundred twenty-five thousand, two hundred five".
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