Base | Representation |
---|---|
bin | 10001100111110111001… |
… | …101001001111100011010 |
3 | 11021202212222200022202110 |
4 | 101213313031021330122 |
5 | 124320144001344010 |
6 | 2324201353013150 |
7 | 153331350422442 |
oct | 21476715117432 |
9 | 4252788608673 |
10 | 1211033231130 |
11 | 427661761a28 |
12 | 1768586b41b6 |
13 | 8a27a378c38 |
14 | 428859a9122 |
15 | 2177d641120 |
hex | 119f7349f1a |
1211033231130 has 64 divisors (see below), whose sum is σ = 3081360528000. Its totient is φ = 303559286784.
The previous prime is 1211033231123. The next prime is 1211033231179. The reversal of 1211033231130 is 311323301121.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1211033231097 and 1211033231106.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1107255 + ... + 1909994.
It is an arithmetic number, because the mean of its divisors is an integer number (48146258250).
Almost surely, 21211033231130 is an apocalyptic number.
1211033231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1211033231130 is an abundant number, since it is smaller than the sum of its proper divisors (1870327296870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1211033231130 is a wasteful number, since it uses less digits than its factorization.
1211033231130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3018063.
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 1211033231130 its reverse (311323301121), we get a palindrome (1522356532251).
The spelling of 1211033231130 in words is "one trillion, two hundred eleven billion, thirty-three million, two hundred thirty-one thousand, one hundred thirty".
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