Base | Representation |
---|---|
bin | 111110101111110… |
… | …0000101001110100 |
3 | 12102201201000121002 |
4 | 1331133200221310 |
5 | 13302441142322 |
6 | 544530142432 |
7 | 103113465011 |
oct | 17537405164 |
9 | 5381630532 |
10 | 2105412212 |
11 | 9904a53a2 |
12 | 4a9121a18 |
13 | 277264457 |
14 | 15d898708 |
15 | c4c85c92 |
hex | 7d7e0a74 |
2105412212 has 6 divisors (see below), whose sum is σ = 3684471378. Its totient is φ = 1052706104.
The previous prime is 2105412193. The next prime is 2105412229. The reversal of 2105412212 is 2122145012.
It can be written as a sum of positive squares in only one way, i.e., 2105341456 + 70756 = 45884^2 + 266^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263176523 + ... + 263176530.
It is an arithmetic number, because the mean of its divisors is an integer number (614078563).
Almost surely, 22105412212 is an apocalyptic number.
It is an amenable number.
2105412212 is a deficient number, since it is larger than the sum of its proper divisors (1579059166).
2105412212 is a wasteful number, since it uses less digits than its factorization.
2105412212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 526353057 (or 526353055 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 20.
The square root of 2105412212 is about 45884.7710248182. The cubic root of 2105412212 is about 1281.6783428197.
Adding to 2105412212 its reverse (2122145012), we get a palindrome (4227557224).
The spelling of 2105412212 in words is "two billion, one hundred five million, four hundred twelve thousand, two hundred twelve".
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