Base | Representation |
---|---|
bin | 111000111000010110… |
… | …1011001001010010100 |
3 | 102200021211211112222000 |
4 | 1301300231121022110 |
5 | 4000130402011040 |
6 | 132040455035300 |
7 | 11552664066222 |
oct | 1616055311224 |
9 | 380254745860 |
10 | 122150032020 |
11 | 47892565a95 |
12 | 1b80b96bb30 |
13 | b698772073 |
14 | 5caaad7b12 |
15 | 329db02130 |
hex | 1c70b59294 |
122150032020 has 96 divisors (see below), whose sum is σ = 380515242240. Its totient is φ = 32531091840.
The previous prime is 122150032019. The next prime is 122150032031. The reversal of 122150032020 is 20230051221.
122150032020 is a `hidden beast` number, since 122 + 1 + 500 + 3 + 20 + 20 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 122150031984 and 122150032002.
It is a congruent number.
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 31 ways as a sum of consecutive naturals, for example, 271105 + ... + 563735.
It is an arithmetic number, because the mean of its divisors is an integer number (3963700440).
Almost surely, 2122150032020 is an apocalyptic number.
122150032020 is a gapful number since it is divisible by the number (10) 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 122150032020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190257621120).
122150032020 is an abundant number, since it is smaller than the sum of its proper divisors (258365210220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122150032020 is a wasteful number, since it uses less digits than its factorization.
122150032020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 293422 (or 293414 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
Adding to 122150032020 its reverse (20230051221), we get a palindrome (142380083241).
The spelling of 122150032020 in words is "one hundred twenty-two billion, one hundred fifty million, thirty-two thousand, twenty".
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