Base | Representation |
---|---|
bin | 10001111010111000011… |
… | …100001110010011010101 |
3 | 11100201121012221100211220 |
4 | 101322320130032103111 |
5 | 130134004443144023 |
6 | 2341420031320553 |
7 | 154653414145653 |
oct | 21727034162325 |
9 | 4321535840756 |
10 | 1231455053013 |
11 | 435291300a79 |
12 | 17a7b7980159 |
13 | 8c183265903 |
14 | 43861cd5dd3 |
15 | 220764313e3 |
hex | 11eb870e4d5 |
1231455053013 has 8 divisors (see below), whose sum is σ = 1642551149568. Its totient is φ = 820664495904.
The previous prime is 1231455053011. The next prime is 1231455053033. The reversal of 1231455053013 is 3103505541321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1231455053013 - 21 = 1231455053011 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1231455053011) 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, 76375456 + ... + 76391577.
It is an arithmetic number, because the mean of its divisors is an integer number (205318893696).
Almost surely, 21231455053013 is an apocalyptic number.
It is an amenable number.
1231455053013 is a deficient number, since it is larger than the sum of its proper divisors (411096096555).
1231455053013 is a wasteful number, since it uses less digits than its factorization.
1231455053013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152769723.
The product of its (nonzero) digits is 27000, while the sum is 33.
The spelling of 1231455053013 in words is "one trillion, two hundred thirty-one billion, four hundred fifty-five million, fifty-three thousand, thirteen".
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