Base | Representation |
---|---|
bin | 11000011100010100… |
… | …11010100111111011 |
3 | 1020212112022202020221 |
4 | 30032022122213323 |
5 | 203333330412103 |
6 | 10010045000511 |
7 | 643121344366 |
oct | 141612324773 |
9 | 36775282227 |
10 | 13122513403 |
11 | 56243535aa |
12 | 2662853137 |
13 | 131189893c |
14 | 8c6b3b0dd |
15 | 51c0a21bd |
hex | 30e29a9fb |
13122513403 has 16 divisors (see below), whose sum is σ = 13920894720. Its totient is φ = 12343754016.
The previous prime is 13122513359. The next prime is 13122513413. The reversal of 13122513403 is 30431522131.
It is a happy number.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13122513403 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13122513413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 947001 + ... + 960757.
It is an arithmetic number, because the mean of its divisors is an integer number (870055920).
Almost surely, 213122513403 is an apocalyptic number.
13122513403 is a deficient number, since it is larger than the sum of its proper divisors (798381317).
13122513403 is a wasteful number, since it uses less digits than its factorization.
13122513403 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14466.
The product of its (nonzero) digits is 2160, while the sum is 25.
The spelling of 13122513403 in words is "thirteen billion, one hundred twenty-two million, five hundred thirteen thousand, four hundred three".
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