Base | Representation |
---|---|
bin | 111110101111000… |
… | …1000010000101011 |
3 | 12102201000121221120 |
4 | 1331132020100223 |
5 | 13302343101110 |
6 | 544514310323 |
7 | 103110426315 |
oct | 17536102053 |
9 | 5381017846 |
10 | 2105050155 |
11 | 99027837a |
12 | 4a8b883a3 |
13 | 277168710 |
14 | 15d8027b5 |
15 | c4c13870 |
hex | 7d78842b |
2105050155 has 32 divisors (see below), whose sum is σ = 3646218240. Its totient is φ = 1030888320.
The previous prime is 2105050141. The next prime is 2105050163. The reversal of 2105050155 is 5510505012.
2105050155 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2105050155 - 29 = 2105049643 is a prime.
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, 8986 + ... + 65504.
It is an arithmetic number, because the mean of its divisors is an integer number (113944320).
Almost surely, 22105050155 is an apocalyptic number.
2105050155 is a deficient number, since it is larger than the sum of its proper divisors (1541168085).
2105050155 is a wasteful number, since it uses less digits than its factorization.
2105050155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56731.
The product of its (nonzero) digits is 1250, while the sum is 24.
The square root of 2105050155 is about 45880.8255701660. The cubic root of 2105050155 is about 1281.6048707121.
Adding to 2105050155 its reverse (5510505012), we get a palindrome (7615555167).
The spelling of 2105050155 in words is "two billion, one hundred five million, fifty thousand, one hundred fifty-five".
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