Base | Representation |
---|---|
bin | 111000011100001000… |
… | …0111000000010100110 |
3 | 102120211211212222110201 |
4 | 1300320100320002212 |
5 | 3441210434012410 |
6 | 131402505341114 |
7 | 11520344530000 |
oct | 1607020700246 |
9 | 376754788421 |
10 | 121203032230 |
11 | 47446a52035 |
12 | 1b5a679779a |
13 | b577500a67 |
14 | 5c1b025370 |
15 | 32458de83a |
hex | 1c384380a6 |
121203032230 has 80 divisors (see below), whose sum is σ = 258001409664. Its totient is φ = 40985481600.
The previous prime is 121203032191. The next prime is 121203032243. The reversal of 121203032230 is 32230302121.
It is a junction number, because it is equal to n+sod(n) for n = 121203032198 and 121203032207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1718155 + ... + 1787305.
Almost surely, 2121203032230 is an apocalyptic number.
121203032230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121203032230 is an abundant number, since it is smaller than the sum of its proper divisors (136798377434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121203032230 is an frugal number, since it uses more digits than its factorization.
121203032230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69259 (or 69238 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 121203032230 its reverse (32230302121), we get a palindrome (153433334351).
The spelling of 121203032230 in words is "one hundred twenty-one billion, two hundred three million, thirty-two thousand, two hundred thirty".
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