Base | Representation |
---|---|
bin | 10001111010011111001… |
… | …011011101111011111010 |
3 | 11100200111200102221020202 |
4 | 101322133023131323322 |
5 | 130132122443331302 |
6 | 2341310011322202 |
7 | 154640046543644 |
oct | 21723713357372 |
9 | 4320450387222 |
10 | 1231031230202 |
11 | 435094044694 |
12 | 17a6b9a50362 |
13 | 8c116502b97 |
14 | 438218cd894 |
15 | 2204e114202 |
hex | 11e9f2ddefa |
1231031230202 has 8 divisors (see below), whose sum is σ = 1847154071412. Its totient is φ = 615313206400.
The previous prime is 1231031230199. The next prime is 1231031230349. The reversal of 1231031230202 is 2020321301321.
It can be written as a sum of positive squares in 2 ways, for example, as 978435527281 + 252595702921 = 989159^2 + 502589^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
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, 101196749 + ... + 101208912.
Almost surely, 21231031230202 is an apocalyptic number.
1231031230202 is a deficient number, since it is larger than the sum of its proper divisors (616122841210).
1231031230202 is a wasteful number, since it uses less digits than its factorization.
1231031230202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202408704.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 1231031230202 its reverse (2020321301321), we get a palindrome (3251352531523).
The spelling of 1231031230202 in words is "one trillion, two hundred thirty-one billion, thirty-one million, two hundred thirty thousand, two hundred two".
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