Base | Representation |
---|---|
bin | 1011111011110000101111… |
… | …0011000000111110110111 |
3 | 1201110101102120011010002020 |
4 | 2332330023303000332313 |
5 | 3204434432142341043 |
6 | 43523504053444223 |
7 | 2522661421236612 |
oct | 276741363007667 |
9 | 51411376133066 |
10 | 13121323012023 |
11 | 41a97a384a386 |
12 | 157b000640673 |
13 | 742448ca6b25 |
14 | 33510ad5d179 |
15 | 17b4b0875e83 |
hex | bef0bcc0fb7 |
13121323012023 has 32 divisors (see below), whose sum is σ = 18549032863680. Its totient is φ = 8221966663680.
The previous prime is 13121323011997. The next prime is 13121323012027. The reversal of 13121323012023 is 32021032312131.
It is not a de Polignac number, because 13121323012023 - 241 = 10922299756471 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13121323011984 and 13121323012002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13121323012027) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118281543 + ... + 118392423.
It is an arithmetic number, because the mean of its divisors is an integer number (579657276990).
Almost surely, 213121323012023 is an apocalyptic number.
13121323012023 is a deficient number, since it is larger than the sum of its proper divisors (5427709851657).
13121323012023 is a wasteful number, since it uses less digits than its factorization.
13121323012023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113987.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 13121323012023 its reverse (32021032312131), we get a palindrome (45142355324154).
The spelling of 13121323012023 in words is "thirteen trillion, one hundred twenty-one billion, three hundred twenty-three million, twelve thousand, twenty-three".
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