Base | Representation |
---|---|
bin | 111000110111001100… |
… | …1011000000100010110 |
3 | 102200012010211012220200 |
4 | 1301232121120010112 |
5 | 4000040433331410 |
6 | 132032551241330 |
7 | 11552013221403 |
oct | 1615631300426 |
9 | 380163735820 |
10 | 122111230230 |
11 | 478726736a0 |
12 | 1b7ba979246 |
13 | b690707a22 |
14 | 5ca58b72aa |
15 | 329a4da3c0 |
hex | 1c6e658116 |
122111230230 has 48 divisors (see below), whose sum is σ = 346351855824. Its totient is φ = 29602722240.
The previous prime is 122111230211. The next prime is 122111230237. The reversal of 122111230230 is 32032111221.
122111230230 is a `hidden beast` number, since 1 + 221 + 112 + 302 + 30 = 666.
It is a super-2 number, since 2×1221112302302 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122111230237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61671349 + ... + 61673328.
It is an arithmetic number, because the mean of its divisors is an integer number (7215663663).
Almost surely, 2122111230230 is an apocalyptic number.
122111230230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122111230230 is an abundant number, since it is smaller than the sum of its proper divisors (224240625594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122111230230 is a wasteful number, since it uses less digits than its factorization.
122111230230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123344701 (or 123344698 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 122111230230 its reverse (32032111221), we get a palindrome (154143341451).
The spelling of 122111230230 in words is "one hundred twenty-two billion, one hundred eleven million, two hundred thirty thousand, two hundred thirty".
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