Base | Representation |
---|---|
bin | 10010101001101101… |
… | …00001001101100001 |
3 | 221211212012010212000 |
4 | 21110312201031201 |
5 | 131001424400140 |
6 | 4333344154213 |
7 | 503100311061 |
oct | 112466411541 |
9 | 27755163760 |
10 | 10013512545 |
11 | 4279404203 |
12 | 1b35608969 |
13 | c3773ba6a |
14 | 6adc7d3a1 |
15 | 3d917ba30 |
hex | 254da1361 |
10013512545 has 16 divisors (see below), whose sum is σ = 17801800320. Its totient is φ = 5340539952.
The previous prime is 10013512543. The next prime is 10013512549. The reversal of 10013512545 is 54521531001.
10013512545 is a `hidden beast` number, since 100 + 1 + 3 + 5 + 12 + 545 = 666.
It is not a de Polignac number, because 10013512545 - 21 = 10013512543 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (10013512543) 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, 37086949 + ... + 37087218.
It is an arithmetic number, because the mean of its divisors is an integer number (1112612520).
Almost surely, 210013512545 is an apocalyptic number.
10013512545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10013512545 is a deficient number, since it is larger than the sum of its proper divisors (7788287775).
10013512545 is an equidigital number, since it uses as much as digits as its factorization.
10013512545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74174181 (or 74174175 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 27.
The spelling of 10013512545 in words is "ten billion, thirteen million, five hundred twelve thousand, five hundred forty-five".
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