Base | Representation |
---|---|
bin | 1000001011010110… |
… | …10101110111000001 |
3 | 102022221222000221110 |
4 | 10011223111313001 |
5 | 32442343340410 |
6 | 2003345313533 |
7 | 213536132643 |
oct | 40553256701 |
9 | 12287860843 |
10 | 4390215105 |
11 | 1953186651 |
12 | a263358a9 |
13 | 54c718323 |
14 | 2d90cc893 |
15 | 1aa654720 |
hex | 105ad5dc1 |
4390215105 has 32 divisors (see below), whose sum is σ = 7099205760. Its totient is φ = 2316625920.
The previous prime is 4390215077. The next prime is 4390215149. The reversal of 4390215105 is 5015120934.
It is not a de Polignac number, because 4390215105 - 27 = 4390214977 is a prime.
It is a super-2 number, since 2×43902151052 = 38547977336340322050, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555985 + ... + 563825.
It is an arithmetic number, because the mean of its divisors is an integer number (221850180).
Almost surely, 24390215105 is an apocalyptic number.
It is an amenable number.
4390215105 is a deficient number, since it is larger than the sum of its proper divisors (2708990655).
4390215105 is a wasteful number, since it uses less digits than its factorization.
4390215105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8241.
The product of its (nonzero) digits is 5400, while the sum is 30.
The square root of 4390215105 is about 66258.6983346338. The cubic root of 4390215105 is about 1637.4269468410.
The spelling of 4390215105 in words is "four billion, three hundred ninety million, two hundred fifteen thousand, one hundred five".
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