Base | Representation |
---|---|
bin | 1011111001110011111001… |
… | …1100011111010001010001 |
3 | 1201100011221012011110012111 |
4 | 2332130332130133101101 |
5 | 3203412320112201132 |
6 | 43500242554025321 |
7 | 2520364131006352 |
oct | 276347634372121 |
9 | 51304835143174 |
10 | 13087813006417 |
11 | 4196568275176 |
12 | 157460a118241 |
13 | 73c238681146 |
14 | 33364c6add29 |
15 | 17a69da15647 |
hex | be73e71f451 |
13087813006417 has 6 divisors (see below), whose sum is σ = 13554679107398. Its totient is φ = 12636509108832.
The previous prime is 13087813006361. The next prime is 13087813006453. The reversal of 13087813006417 is 71460031878031.
It can be written as a sum of positive squares in 3 ways, for example, as 824117180481 + 12263695825936 = 907809^2 + 3501956^2 .
It is a de Polignac number, because none of the positive numbers 2k-13087813006417 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13087813009417) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7781100828 + ... + 7781102509.
Almost surely, 213087813006417 is an apocalyptic number.
It is an amenable number.
13087813006417 is a deficient number, since it is larger than the sum of its proper divisors (466866100981).
13087813006417 is an equidigital number, since it uses as much as digits as its factorization.
13087813006417 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15562203395 (or 15562203366 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 49.
The spelling of 13087813006417 in words is "thirteen trillion, eighty-seven billion, eight hundred thirteen million, six thousand, four hundred seventeen".
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