Base | Representation |
---|---|
bin | 111000011111010100… |
… | …1010110000101001110 |
3 | 102121010022101002121011 |
4 | 1300332221112011032 |
5 | 3441420342010110 |
6 | 131421252355434 |
7 | 11523114631114 |
oct | 1607651260516 |
9 | 377108332534 |
10 | 121310110030 |
11 | 474a143818a |
12 | 1b616615b7a |
13 | b593751cc5 |
14 | 5c2b339ab4 |
15 | 324eee148a |
hex | 1c3ea5614e |
121310110030 has 32 divisors (see below), whose sum is σ = 228486873600. Its totient is φ = 46284983712.
The previous prime is 121310110013. The next prime is 121310110063. The reversal of 121310110030 is 30011013121.
It is a super-2 number, since 2×1213101100302 (a number of 23 digits) 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 (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652020 + ... + 817159.
It is an arithmetic number, because the mean of its divisors is an integer number (7140214800).
Almost surely, 2121310110030 is an apocalyptic number.
121310110030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121310110030 is a deficient number, since it is larger than the sum of its proper divisors (107176763570).
121310110030 is a wasteful number, since it uses less digits than its factorization.
121310110030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1469568.
The product of its (nonzero) digits is 18, while the sum is 13.
Adding to 121310110030 its reverse (30011013121), we get a palindrome (151321123151).
The spelling of 121310110030 in words is "one hundred twenty-one billion, three hundred ten million, one hundred ten thousand, thirty".
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