| Base | Representation |
|---|---|
| bin | 111000000100111000… |
| … | …1010111101001000000 |
| 3 | 102111211111011022101100 |
| 4 | 1300021301113221000 |
| 5 | 3433111243133440 |
| 6 | 131153243134400 |
| 7 | 11462123535063 |
| oct | 1601161275100 |
| 9 | 374744138340 |
| 10 | 120423021120 |
| 11 | 47086724156 |
| 12 | 1b409514400 |
| 13 | b481a2921c |
| 14 | 5b855c08da |
| 15 | 31ec1b5230 |
| hex | 1c09c57a40 |
120423021120 has 168 divisors, whose sum is σ = 414845805816. Its totient is φ = 32063127552.
The previous prime is 120423021113. The next prime is 120423021127. The reversal of 120423021120 is 21120324021.
It is a happy number.
120423021120 is a `hidden beast` number, since 1 + 204 + 230 + 211 + 20 = 666.
It is an interprime number because it is at equal distance from previous prime (120423021113) and next prime (120423021127).
It can be written as a sum of positive squares in 4 ways, for example, as 25918424064 + 94504597056 = 160992^2 + 307416^2 .
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 = 120423021093 and 120423021102.
It is not an unprimeable number, because it can be changed into a prime (120423021127) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1848624 + ... + 1912656.
Almost surely, 2120423021120 is an apocalyptic number.
120423021120 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 120423021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207422902908).
120423021120 is an abundant number, since it is smaller than the sum of its proper divisors (294422784696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120423021120 is a wasteful number, since it uses less digits than its factorization.
120423021120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64709 (or 64696 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 120423021120 its reverse (21120324021), we get a palindrome (141543345141).
The spelling of 120423021120 in words is "one hundred twenty billion, four hundred twenty-three million, twenty-one thousand, one hundred twenty".
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