Base | Representation |
---|---|
bin | 1011111011110111011001… |
… | …1111010111001000111101 |
3 | 1201110120001022101001011112 |
4 | 2332331312133113020331 |
5 | 3210002113413201023 |
6 | 43524401435531405 |
7 | 2523053655125621 |
oct | 276756637271075 |
9 | 51416038331145 |
10 | 13123113022013 |
11 | 41aa532200385 |
12 | 157b41bbb9b65 |
13 | 742672aa9a37 |
14 | 33523a995181 |
15 | 17b567aa9478 |
hex | bef767d723d |
13123113022013 has 4 divisors (see below), whose sum is σ = 13123301916000. Its totient is φ = 13122924128028.
The previous prime is 13123113021989. The next prime is 13123113022037. The reversal of 13123113022013 is 31022031132131.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (13123113021989) and next prime (13123113022037).
It is a cyclic number.
It is not a de Polignac number, because 13123113022013 - 226 = 13123045913149 is a prime.
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 13123113022013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13123110022013) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94342745 + ... + 94481742.
It is an arithmetic number, because the mean of its divisors is an integer number (3280825479000).
Almost surely, 213123113022013 is an apocalyptic number.
It is an amenable number.
13123113022013 is a deficient number, since it is larger than the sum of its proper divisors (188893987).
13123113022013 is an equidigital number, since it uses as much as digits as its factorization.
13123113022013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188893986.
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 13123113022013 its reverse (31022031132131), we get a palindrome (44145144154144).
The spelling of 13123113022013 in words is "thirteen trillion, one hundred twenty-three billion, one hundred thirteen million, twenty-two thousand, thirteen".
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