Base | Representation |
---|---|
bin | 1011111011110101010001… |
… | …0101011101110001111111 |
3 | 1201110111120101010122002001 |
4 | 2332331110111131301333 |
5 | 3204444430220034211 |
6 | 43524224530043131 |
7 | 2523033526420606 |
oct | 276752425356177 |
9 | 51414511118061 |
10 | 13122540002431 |
11 | 41aa268800282 |
12 | 157b2a01194a7 |
13 | 7425b11698b2 |
14 | 3351c4832a3d |
15 | 17b53261aac1 |
hex | bef5455dc7f |
13122540002431 has 8 divisors (see below), whose sum is σ = 13693126748544. Its totient is φ = 12551956717080.
The previous prime is 13122540002419. The next prime is 13122540002461. The reversal of 13122540002431 is 13420004522131.
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 13122540002431 - 229 = 13122003131519 is a prime.
It is a super-2 number, since 2×131225400024312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13122540002431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13122540002461) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9552160 + ... + 10839226.
It is an arithmetic number, because the mean of its divisors is an integer number (1711640843568).
Almost surely, 213122540002431 is an apocalyptic number.
13122540002431 is a deficient number, since it is larger than the sum of its proper divisors (570586746113).
13122540002431 is a wasteful number, since it uses less digits than its factorization.
13122540002431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1730381.
The product of its (nonzero) digits is 5760, while the sum is 28.
Adding to 13122540002431 its reverse (13420004522131), we get a palindrome (26542544524562).
The spelling of 13122540002431 in words is "thirteen trillion, one hundred twenty-two billion, five hundred forty million, two thousand, four hundred thirty-one".
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