Base | Representation |
---|---|
bin | 111111001111100… |
… | …1011010101100011 |
3 | 12110220002221211122 |
4 | 1332133023111203 |
5 | 13321224231430 |
6 | 550324002455 |
7 | 103405366430 |
oct | 17637132543 |
9 | 5426087748 |
10 | 2122102115 |
11 | 999964801 |
12 | 4b283042b |
13 | 27a859033 |
14 | 161ba0b87 |
15 | c6480ee5 |
hex | 7e7cb563 |
2122102115 has 32 divisors (see below), whose sum is σ = 3169152000. Its totient is φ = 1331019648.
The previous prime is 2122102111. The next prime is 2122102121. The reversal of 2122102115 is 5112012212.
It is not a de Polignac number, because 2122102115 - 22 = 2122102111 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2122102093 and 2122102102.
It is not an unprimeable number, because it can be changed into a prime (2122102111) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35735 + ... + 74304.
It is an arithmetic number, because the mean of its divisors is an integer number (99036000).
Almost surely, 22122102115 is an apocalyptic number.
2122102115 is a deficient number, since it is larger than the sum of its proper divisors (1047049885).
2122102115 is a wasteful number, since it uses less digits than its factorization.
2122102115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110099.
The product of its (nonzero) digits is 80, while the sum is 17.
The square root of 2122102115 is about 46066.2795871340. The cubic root of 2122102115 is about 1285.0561154821.
Adding to 2122102115 its reverse (5112012212), we get a palindrome (7234114327).
The spelling of 2122102115 in words is "two billion, one hundred twenty-two million, one hundred two thousand, one hundred fifteen".
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