Base | Representation |
---|---|
bin | 111000000100110101… |
… | …1010001111010100000 |
3 | 102111211101011012122101 |
4 | 1300021223101322200 |
5 | 3433110341043200 |
6 | 131153145020144 |
7 | 11462104136065 |
oct | 1601153217240 |
9 | 374741135571 |
10 | 120421424800 |
11 | 47085833886 |
12 | 1b408a84654 |
13 | b4815ba761 |
14 | 5b852c6c6c |
15 | 31ebe9c26a |
hex | 1c09ad1ea0 |
120421424800 has 72 divisors (see below), whose sum is σ = 295678442556. Its totient is φ = 47890083840.
The previous prime is 120421424789. The next prime is 120421424801. The reversal of 120421424800 is 8424124021.
It can be written as a sum of positive squares in 6 ways, for example, as 103460009104 + 16961415696 = 321652^2 + 130236^2 .
It is not an unprimeable number, because it can be changed into a prime (120421424801) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 296649 + ... + 573448.
Almost surely, 2120421424800 is an apocalyptic number.
120421424800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120421424800 is an abundant number, since it is smaller than the sum of its proper divisors (175257017756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120421424800 is a wasteful number, since it uses less digits than its factorization.
120421424800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 870290 (or 870277 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 28.
Adding to 120421424800 its reverse (8424124021), we get a palindrome (128845548821).
The spelling of 120421424800 in words is "one hundred twenty billion, four hundred twenty-one million, four hundred twenty-four thousand, eight hundred".
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