Base | Representation |
---|---|
bin | 110111111000111000… |
… | …1000111100110100000 |
3 | 102110210102101001221021 |
4 | 1233301301013212200 |
5 | 3431300144132430 |
6 | 131045255335224 |
7 | 11446133510416 |
oct | 1576161074640 |
9 | 373712331837 |
10 | 120020302240 |
11 | 4699a371533 |
12 | 1b316681514 |
13 | b419475227 |
14 | 5b47d0d2b6 |
15 | 31c6b6607a |
hex | 1bf1c479a0 |
120020302240 has 48 divisors (see below), whose sum is σ = 283573303272. Its totient is φ = 48003830784.
The previous prime is 120020302183. The next prime is 120020302301. The reversal of 120020302240 is 42203020021.
It can be written as a sum of positive squares in 4 ways, for example, as 93188551824 + 26831750416 = 305268^2 + 163804^2 .
It is a super-4 number, since 4×1200203022404 (a number of 45 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2245102 + ... + 2297938.
Almost surely, 2120020302240 is an apocalyptic number.
120020302240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120020302240 is an abundant number, since it is smaller than the sum of its proper divisors (163553001032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120020302240 is a wasteful number, since it uses less digits than its factorization.
120020302240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67049 (or 67041 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 120020302240 its reverse (42203020021), we get a palindrome (162223322261).
The spelling of 120020302240 in words is "one hundred twenty billion, twenty million, three hundred two thousand, two hundred forty".
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