Base | Representation |
---|---|
bin | 111000011111101011… |
… | …1001000000011111110 |
3 | 102121011010221211011001 |
4 | 1300333113020003332 |
5 | 3441431430024410 |
6 | 131422401520514 |
7 | 11523321634045 |
oct | 1607727100376 |
9 | 377133854131 |
10 | 121322111230 |
11 | 474a8194931 |
12 | 1b61a64313a |
13 | b5960946c8 |
14 | 5c2cb8155c |
15 | 32510b233a |
hex | 1c3f5c80fe |
121322111230 has 32 divisors (see below), whose sum is σ = 225209134080. Its totient is φ = 47034385440.
The previous prime is 121322111219. The next prime is 121322111231. The reversal of 121322111230 is 32111223121.
It is a super-2 number, since 2×1213221112302 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 121322111198 and 121322111207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121322111231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1406214 + ... + 1489993.
It is an arithmetic number, because the mean of its divisors is an integer number (7037785440).
Almost surely, 2121322111230 is an apocalyptic number.
121322111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121322111230 is a deficient number, since it is larger than the sum of its proper divisors (103887022850).
121322111230 is a wasteful number, since it uses less digits than its factorization.
121322111230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2896344.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 121322111230 its reverse (32111223121), we get a palindrome (153433334351).
The spelling of 121322111230 in words is "one hundred twenty-one billion, three hundred twenty-two million, one hundred eleven thousand, two hundred thirty".
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