Base | Representation |
---|---|
bin | 111000111100111000… |
… | …1001110000110000100 |
3 | 102200200102211212021200 |
4 | 1301321301032012010 |
5 | 4000433304431322 |
6 | 132103524542500 |
7 | 11556521050515 |
oct | 1617161160604 |
9 | 380612755250 |
10 | 122302030212 |
11 | 4796034252a |
12 | 1b852851a30 |
13 | b6c10c061b |
14 | 5cc2d82a0c |
15 | 32ac1288ac |
hex | 1c79c4e184 |
122302030212 has 144 divisors (see below), whose sum is σ = 322929839232. Its totient is φ = 38990730240.
The previous prime is 122302030199. The next prime is 122302030231. The reversal of 122302030212 is 212030203221.
122302030212 is a `hidden beast` number, since 122 + 302 + 0 + 30 + 212 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
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 47 ways as a sum of consecutive naturals, for example, 52920537 + ... + 52922847.
It is an arithmetic number, because the mean of its divisors is an integer number (2242568328).
Almost surely, 2122302030212 is an apocalyptic number.
122302030212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122302030212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161464919616).
122302030212 is an abundant number, since it is smaller than the sum of its proper divisors (200627809020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122302030212 is a wasteful number, since it uses less digits than its factorization.
122302030212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3018 (or 3013 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 122302030212 its reverse (212030203221), we get a palindrome (334332233433).
The spelling of 122302030212 in words is "one hundred twenty-two billion, three hundred two million, thirty thousand, two hundred twelve".
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