Base | Representation |
---|---|
bin | 1110011100001… |
… | …01010100010110 |
3 | 22102221011021212 |
4 | 13032011110112 |
5 | 222002213220 |
6 | 20004141422 |
7 | 3000415265 |
oct | 716052426 |
9 | 272834255 |
10 | 121132310 |
11 | 62415552 |
12 | 34697872 |
13 | 1c132430 |
14 | 121325dc |
15 | a97b0c5 |
hex | 7385516 |
121132310 has 64 divisors (see below), whose sum is σ = 253108800. Its totient is φ = 41336832.
The previous prime is 121132307. The next prime is 121132321. The reversal of 121132310 is 13231121.
It is a super-2 number, since 2×1211323102 = 29346073051872200, which contains 22 as substring.
It is a congruent number.
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 31 ways as a sum of consecutive naturals, for example, 129926 + ... + 130854.
It is an arithmetic number, because the mean of its divisors is an integer number (3954825).
Almost surely, 2121132310 is an apocalyptic number.
121132310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121132310 is an abundant number, since it is smaller than the sum of its proper divisors (131976490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121132310 is a wasteful number, since it uses less digits than its factorization.
121132310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1025.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 121132310 is about 11006.0124477487. The cubic root of 121132310 is about 494.7889587727.
Adding to 121132310 its reverse (13231121), we get a palindrome (134363431).
The spelling of 121132310 in words is "one hundred twenty-one million, one hundred thirty-two thousand, three hundred ten".
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