Base | Representation |
---|---|
bin | 111000010111000000… |
… | …1110011111111100010 |
3 | 102120101212202122200101 |
4 | 1300232001303333202 |
5 | 3440333003430310 |
6 | 131333453013014 |
7 | 11513161112656 |
oct | 1605601637742 |
9 | 376355678611 |
10 | 121031311330 |
11 | 47369024636 |
12 | 1b55918416a |
13 | b54aa68367 |
14 | 5c022c4a66 |
15 | 32357be43a |
hex | 1c2e073fe2 |
121031311330 has 8 divisors (see below), whose sum is σ = 217856360412. Its totient is φ = 48412524528.
The previous prime is 121031311273. The next prime is 121031311343. The reversal of 121031311330 is 33113130121.
It can be written as a sum of positive squares in 2 ways, for example, as 105600951369 + 15430359961 = 324963^2 + 124219^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 121031311298 and 121031311307.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6051565557 + ... + 6051565576.
Almost surely, 2121031311330 is an apocalyptic number.
121031311330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121031311330 is a deficient number, since it is larger than the sum of its proper divisors (96825049082).
121031311330 is a wasteful number, since it uses less digits than its factorization.
121031311330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12103131140.
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 121031311330 its reverse (33113130121), we get a palindrome (154144441451).
The spelling of 121031311330 in words is "one hundred twenty-one billion, thirty-one million, three hundred eleven thousand, three hundred thirty".
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