Base | Representation |
---|---|
bin | 1011111011110111000100… |
… | …1000000100011101101011 |
3 | 1201110112211001000222111120 |
4 | 2332331301020010131223 |
5 | 3210001422343430443 |
6 | 43524344503030323 |
7 | 2523051513165606 |
oct | 276756110043553 |
9 | 51415731028446 |
10 | 13123023030123 |
11 | 41aa496425116 |
12 | 157b3b5a3b3a3 |
13 | 74265a25b6b6 |
14 | 33522ca4b33d |
15 | 17b55ec30083 |
hex | bef7120476b |
13123023030123 has 16 divisors (see below), whose sum is σ = 18299709288960. Its totient is φ = 8349242324544.
The previous prime is 13123023030121. The next prime is 13123023030149. The reversal of 13123023030123 is 32103032032131.
It is not a de Polignac number, because 13123023030123 - 21 = 13123023030121 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13123023030093 and 13123023030102.
It is not an unprimeable number, because it can be changed into a prime (13123023030121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216585586 + ... + 216646167.
It is an arithmetic number, because the mean of its divisors is an integer number (1143731830560).
Almost surely, 213123023030123 is an apocalyptic number.
13123023030123 is a deficient number, since it is larger than the sum of its proper divisors (5176686258837).
13123023030123 is a wasteful number, since it uses less digits than its factorization.
13123023030123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 433232218.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 13123023030123 its reverse (32103032032131), we get a palindrome (45226055062254).
The spelling of 13123023030123 in words is "thirteen trillion, one hundred twenty-three billion, twenty-three million, thirty thousand, one hundred twenty-three".
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