Base | Representation |
---|---|
bin | 111000101110101001… |
… | …0100011110110010000 |
3 | 102122110010210010201011 |
4 | 1301131102203312100 |
5 | 3443444000341200 |
6 | 131544300020304 |
7 | 11541626606356 |
oct | 1613522436620 |
9 | 378403703634 |
10 | 121824230800 |
11 | 47735669788 |
12 | 1b73a831694 |
13 | b64610c48c |
14 | 5c797297d6 |
15 | 32801e85ba |
hex | 1c5d4a3d90 |
121824230800 has 60 divisors (see below), whose sum is σ = 292718139840. Its totient is φ = 48723794560.
The previous prime is 121824230779. The next prime is 121824230833. The reversal of 121824230800 is 8032428121.
It is a happy number.
It is a super-2 number, since 2×1218242308002 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4989021 + ... + 5013379.
It is an arithmetic number, because the mean of its divisors is an integer number (4878635664).
Almost surely, 2121824230800 is an apocalyptic number.
121824230800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121824230800 is an abundant number, since it is smaller than the sum of its proper divisors (170893909040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121824230800 is a wasteful number, since it uses less digits than its factorization.
121824230800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36880 (or 36869 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 31.
Adding to 121824230800 its reverse (8032428121), we get a palindrome (129856658921).
The spelling of 121824230800 in words is "one hundred twenty-one billion, eight hundred twenty-four million, two hundred thirty thousand, eight hundred".
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