Base | Representation |
---|---|
bin | 111000110111001100… |
… | …0100000011001101100 |
3 | 102200012010101122010212 |
4 | 1301232120200121230 |
5 | 4000040404032340 |
6 | 132032542321552 |
7 | 11552011251554 |
oct | 1615630403154 |
9 | 380163348125 |
10 | 122111002220 |
11 | 47872528359 |
12 | 1b7ba8892b8 |
13 | b690657ccc |
14 | 5ca5858164 |
15 | 329a492a65 |
hex | 1c6e62066c |
122111002220 has 12 divisors (see below), whose sum is σ = 256433104704. Its totient is φ = 48844400880.
The previous prime is 122111002217. The next prime is 122111002271. The reversal of 122111002220 is 22200111221.
It is a super-2 number, since 2×1221110022202 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122111002195 and 122111002204.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 3052775036 + ... + 3052775075.
It is an arithmetic number, because the mean of its divisors is an integer number (21369425392).
Almost surely, 2122111002220 is an apocalyptic number.
122111002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122111002220 is an abundant number, since it is smaller than the sum of its proper divisors (134322102484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122111002220 is a wasteful number, since it uses less digits than its factorization.
122111002220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6105550120 (or 6105550118 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 122111002220 its reverse (22200111221), we get a palindrome (144311113441).
The spelling of 122111002220 in words is "one hundred twenty-two billion, one hundred eleven million, two thousand, two hundred twenty".
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