Base | Representation |
---|---|
bin | 10010000111110010011… |
… | …101000001101101111111 |
3 | 11102001101000120102001220 |
4 | 102013302131001231333 |
5 | 130400400142302111 |
6 | 2352031120404423 |
7 | 155654010631143 |
oct | 22076235015577 |
9 | 4361330512056 |
10 | 1245313244031 |
11 | 440152951aaa |
12 | 181424a76713 |
13 | 90581382c3c |
14 | 443b8617223 |
15 | 225d7da1e06 |
hex | 121f2741b7f |
1245313244031 has 32 divisors (see below), whose sum is σ = 1716478283520. Its totient is φ = 802588894464.
The previous prime is 1245313244003. The next prime is 1245313244081. The reversal of 1245313244031 is 1304423135421.
It is not a de Polignac number, because 1245313244031 - 219 = 1245312719743 is a prime.
It is a super-2 number, since 2×12453132440312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1245313243983 and 1245313244001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1245313244081) by changing a digit.
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, 15266851 + ... + 15348203.
It is an arithmetic number, because the mean of its divisors is an integer number (53639946360).
Almost surely, 21245313244031 is an apocalyptic number.
1245313244031 is a deficient number, since it is larger than the sum of its proper divisors (471165039489).
1245313244031 is a wasteful number, since it uses less digits than its factorization.
1245313244031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82615.
The product of its (nonzero) digits is 34560, while the sum is 33.
Adding to 1245313244031 its reverse (1304423135421), we get a palindrome (2549736379452).
The spelling of 1245313244031 in words is "one trillion, two hundred forty-five billion, three hundred thirteen million, two hundred forty-four thousand, thirty-one".
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