Base | Representation |
---|---|
bin | 10001101010000110001… |
… | …111101011010111110111 |
3 | 11022000002020022221201210 |
4 | 101222012033223113313 |
5 | 124340102324043411 |
6 | 2325235441052503 |
7 | 153445000416105 |
oct | 21520617532767 |
9 | 4260066287653 |
10 | 1213433034231 |
11 | 42868334a580 |
12 | 177208327133 |
13 | 8a5705c6082 |
14 | 42a325b6c75 |
15 | 2186e178ca6 |
hex | 11a863eb5f7 |
1213433034231 has 8 divisors (see below), whose sum is σ = 1764993504384. Its totient is φ = 735413960120.
The previous prime is 1213433034221. The next prime is 1213433034239. The reversal of 1213433034231 is 1324303343121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1213433034231 - 26 = 1213433034167 is a prime.
It is a super-2 number, since 2×12134330342312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213433034239) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18385348971 + ... + 18385349036.
It is an arithmetic number, because the mean of its divisors is an integer number (220624188048).
Almost surely, 21213433034231 is an apocalyptic number.
1213433034231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1213433034231 is a deficient number, since it is larger than the sum of its proper divisors (551560470153).
1213433034231 is a wasteful number, since it uses less digits than its factorization.
1213433034231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36770698021.
The product of its (nonzero) digits is 15552, while the sum is 30.
Adding to 1213433034231 its reverse (1324303343121), we get a palindrome (2537736377352).
The spelling of 1213433034231 in words is "one trillion, two hundred thirteen billion, four hundred thirty-three million, thirty-four thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •