Base | Representation |
---|---|
bin | 11000011111110010… |
… | …01010011100100001 |
3 | 1020221112221201021202 |
4 | 30033321022130201 |
5 | 203413243420441 |
6 | 10013003130545 |
7 | 643623201101 |
oct | 141771123441 |
9 | 36845851252 |
10 | 13151545121 |
11 | 5639782560 |
12 | 2670513a55 |
13 | 13178c1c80 |
14 | 8ca937201 |
15 | 51e8d919b |
hex | 30fe4a721 |
13151545121 has 16 divisors (see below), whose sum is σ = 15949183488. Its totient is φ = 10680249600.
The previous prime is 13151545111. The next prime is 13151545129. The reversal of 13151545121 is 12154515131.
It is a happy number.
13151545121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 13151545121 - 222 = 13147350817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13151545129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1478936 + ... + 1487801.
It is an arithmetic number, because the mean of its divisors is an integer number (996823968).
Almost surely, 213151545121 is an apocalyptic number.
13151545121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
13151545121 is a deficient number, since it is larger than the sum of its proper divisors (2797638367).
13151545121 is a wasteful number, since it uses less digits than its factorization.
13151545121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2966792.
The product of its digits is 3000, while the sum is 29.
The spelling of 13151545121 in words is "thirteen billion, one hundred fifty-one million, five hundred forty-five thousand, one hundred twenty-one".
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