Base | Representation |
---|---|
bin | 1110011100000… |
… | …10111000001011 |
3 | 22102220122120200 |
4 | 13032002320023 |
5 | 222001403230 |
6 | 20004023243 |
7 | 3000344166 |
oct | 716027013 |
9 | 272818520 |
10 | 121122315 |
11 | 62408a96 |
12 | 34691b23 |
13 | 1c12aa12 |
14 | 1212cadd |
15 | a978160 |
hex | 7382e0b |
121122315 has 24 divisors (see below), whose sum is σ = 212481360. Its totient is φ = 63818304.
The previous prime is 121122307. The next prime is 121122329. The reversal of 121122315 is 513221121.
It is not a de Polignac number, because 121122315 - 23 = 121122307 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12480 + ... + 19949.
It is an arithmetic number, because the mean of its divisors is an integer number (8853390).
Almost surely, 2121122315 is an apocalyptic number.
121122315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
121122315 is a deficient number, since it is larger than the sum of its proper divisors (91359045).
121122315 is a wasteful number, since it uses less digits than its factorization.
121122315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32523 (or 32520 counting only the distinct ones).
The product of its digits is 120, while the sum is 18.
The square root of 121122315 is about 11005.5583683882. The cubic root of 121122315 is about 494.7753495448.
Adding to 121122315 its reverse (513221121), we get a palindrome (634343436).
The spelling of 121122315 in words is "one hundred twenty-one million, one hundred twenty-two thousand, three hundred fifteen".
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