Base | Representation |
---|---|
bin | 1011110101011011100010… |
… | …1111111101110000000111 |
3 | 1201001222200100221002012221 |
4 | 2331112320233331300013 |
5 | 3201144203203133111 |
6 | 43401515132553211 |
7 | 2512061153643103 |
oct | 275267057756007 |
9 | 51058610832187 |
10 | 13012555521031 |
11 | 416765939a560 |
12 | 1561b06622807 |
13 | 735103c443c1 |
14 | 32db4d72c903 |
15 | 178746a8b371 |
hex | bd5b8bfdc07 |
13012555521031 has 8 divisors (see below), whose sum is σ = 14196417235200. Its totient is φ = 11828844160440.
The previous prime is 13012555520957. The next prime is 13012555521071.
It is a happy number.
13012555521031 is nontrivially palindromic in base 10.
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 13012555521031 - 211 = 13012555518983 is a prime.
It is a super-2 number, since 2×130125555210312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13012555521071) 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, 37407391 + ... + 37753648.
It is an arithmetic number, because the mean of its divisors is an integer number (1774552154400).
Almost surely, 213012555521031 is an apocalyptic number.
13012555521031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13012555521031 is a deficient number, since it is larger than the sum of its proper divisors (1183861714169).
13012555521031 is a wasteful number, since it uses less digits than its factorization.
13012555521031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75176789.
The product of its (nonzero) digits is 22500, while the sum is 34.
It can be divided in two parts, 1301255 and 5521031, that added together give a palindrome (6822286).
The spelling of 13012555521031 in words is "thirteen trillion, twelve billion, five hundred fifty-five million, five hundred twenty-one thousand, thirty-one".
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