Base | Representation |
---|---|
bin | 10001101001111000111… |
… | …110001000011101111010 |
3 | 11021222111201021110100001 |
4 | 101221320332020131322 |
5 | 124334123321043002 |
6 | 2325201403503214 |
7 | 153436324443415 |
oct | 21517076103572 |
9 | 4258451243301 |
10 | 1213210331002 |
11 | 42857967031a |
12 | 177165827b0a |
13 | 8a536420107 |
14 | 42a10ba4b7c |
15 | 21859837a87 |
hex | 11a78f8877a |
1213210331002 has 8 divisors (see below), whose sum is σ = 1858534975296. Its totient is φ = 593698672572.
The previous prime is 1213210330993. The next prime is 1213210331009. The reversal of 1213210331002 is 2001330123121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (1213210331009) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6453246348 + ... + 6453246535.
It is an arithmetic number, because the mean of its divisors is an integer number (232316871912).
Almost surely, 21213210331002 is an apocalyptic number.
1213210331002 is a deficient number, since it is larger than the sum of its proper divisors (645324644294).
1213210331002 is a wasteful number, since it uses less digits than its factorization.
1213210331002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12906492932.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 1213210331002 its reverse (2001330123121), we get a palindrome (3214540454123).
The spelling of 1213210331002 in words is "one trillion, two hundred thirteen billion, two hundred ten million, three hundred thirty-one thousand, two".
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