Base | Representation |
---|---|
bin | 1011111011101100010000… |
… | …0110000000011111110111 |
3 | 1201110021022201112100122210 |
4 | 2332323010012000133313 |
5 | 3204430001211444343 |
6 | 43523144441424503 |
7 | 2522616543125142 |
oct | 276730406003767 |
9 | 51407281470583 |
10 | 13120120031223 |
11 | 41a9236798077 |
12 | 157a92579b133 |
13 | 7422b69aa97a |
14 | 335035295059 |
15 | 17b43ee4c333 |
hex | beec41807f7 |
13120120031223 has 8 divisors (see below), whose sum is σ = 17568572746608. Its totient is φ = 8709207001664.
The previous prime is 13120120031173. The next prime is 13120120031321. The reversal of 13120120031223 is 32213002102131.
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 13120120031223 - 218 = 13120119769079 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13120120031223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13120120031323) 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, 9384920640 + ... + 9384922037.
It is an arithmetic number, because the mean of its divisors is an integer number (2196071593326).
Almost surely, 213120120031223 is an apocalyptic number.
13120120031223 is a deficient number, since it is larger than the sum of its proper divisors (4448452715385).
13120120031223 is a wasteful number, since it uses less digits than its factorization.
13120120031223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18769842913.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 13120120031223 its reverse (32213002102131), we get a palindrome (45333122133354).
The spelling of 13120120031223 in words is "thirteen trillion, one hundred twenty billion, one hundred twenty million, thirty-one thousand, two hundred twenty-three".
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