Base | Representation |
---|---|
bin | 1000010011111000… |
… | …1111000000011001 |
3 | 12202110211210221200 |
4 | 2010332033000121 |
5 | 14032103010110 |
6 | 1005212024413 |
7 | 106166252523 |
oct | 20476170031 |
9 | 5673753850 |
10 | 2230906905 |
11 | a4531a417 |
12 | 523162109 |
13 | 297263376 |
14 | 172404a13 |
15 | d0cc46c0 |
hex | 84f8f019 |
2230906905 has 24 divisors (see below), whose sum is σ = 3871221120. Its totient is φ = 1188489120.
The previous prime is 2230906903. The next prime is 2230906927. The reversal of 2230906905 is 5096090322.
It is not a de Polignac number, because 2230906905 - 21 = 2230906903 is a prime.
It is a super-3 number, since 3×22309069053 (a number of 29 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2230906905.
It is not an unprimeable number, because it can be changed into a prime (2230906901) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13786 + ... + 68204.
It is an arithmetic number, because the mean of its divisors is an integer number (161300880).
Almost surely, 22230906905 is an apocalyptic number.
It is an amenable number.
2230906905 is a deficient number, since it is larger than the sum of its proper divisors (1640314215).
2230906905 is a wasteful number, since it uses less digits than its factorization.
2230906905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55341 (or 55338 counting only the distinct ones).
The product of its (nonzero) digits is 29160, while the sum is 36.
The square root of 2230906905 is about 47232.4772270098. The cubic root of 2230906905 is about 1306.6536398104.
The spelling of 2230906905 in words is "two billion, two hundred thirty million, nine hundred six thousand, nine hundred five".
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