Base | Representation |
---|---|
bin | 111110110000001… |
… | …0010011101111111 |
3 | 12102202002101111020 |
4 | 1331200102131333 |
5 | 13303014210010 |
6 | 544534355223 |
7 | 103115304621 |
oct | 17540223577 |
9 | 5382071436 |
10 | 2105616255 |
11 | 990624726 |
12 | 4a91bbb13 |
13 | 2773062a2 |
14 | 15d90cc11 |
15 | c4cc6470 |
hex | 7d81277f |
2105616255 has 16 divisors (see below), whose sum is σ = 3477663744. Its totient is φ = 1086769440.
The previous prime is 2105616229. The next prime is 2105616269. The reversal of 2105616255 is 5526165012.
It is not a de Polignac number, because 2105616255 - 214 = 2105599871 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2263639 + ... + 2264568.
It is an arithmetic number, because the mean of its divisors is an integer number (217353984).
Almost surely, 22105616255 is an apocalyptic number.
2105616255 is a deficient number, since it is larger than the sum of its proper divisors (1372047489).
2105616255 is a wasteful number, since it uses less digits than its factorization.
2105616255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4528246.
The product of its (nonzero) digits is 18000, while the sum is 33.
The square root of 2105616255 is about 45886.9943992849. The cubic root of 2105616255 is about 1281.7197454874.
The spelling of 2105616255 in words is "two billion, one hundred five million, six hundred sixteen thousand, two hundred fifty-five".
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