Base | Representation |
---|---|
bin | 10010000101110110010… |
… | …010101000011010001101 |
3 | 11101211222211211222020010 |
4 | 102011312102220122031 |
5 | 130332113404103031 |
6 | 2351044304343433 |
7 | 155551254602466 |
oct | 22056622503215 |
9 | 4354884758203 |
10 | 1243230144141 |
11 | 43a284007247 |
12 | 180b43314b79 |
13 | 9030b93155b |
14 | 4425bac9d6d |
15 | 22515077246 |
hex | 121764a868d |
1243230144141 has 16 divisors (see below), whose sum is σ = 1666464336000. Its totient is φ = 824410496448.
The previous prime is 1243230144137. The next prime is 1243230144157. The reversal of 1243230144141 is 1414410323421.
It is a happy number.
It is not a de Polignac number, because 1243230144141 - 22 = 1243230144137 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1243230144099 and 1243230144108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1243230144241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1715995 + ... + 2330471.
It is an arithmetic number, because the mean of its divisors is an integer number (104154021000).
Almost surely, 21243230144141 is an apocalyptic number.
It is an amenable number.
1243230144141 is a deficient number, since it is larger than the sum of its proper divisors (423234191859).
1243230144141 is a wasteful number, since it uses less digits than its factorization.
1243230144141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 618068.
The product of its (nonzero) digits is 9216, while the sum is 30.
Adding to 1243230144141 its reverse (1414410323421), we get a palindrome (2657640467562).
The spelling of 1243230144141 in words is "one trillion, two hundred forty-three billion, two hundred thirty million, one hundred forty-four thousand, one hundred forty-one".
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