Base | Representation |
---|---|
bin | 11001101101111010… |
… | …01000110100110111 |
3 | 1022122020010010002122 |
4 | 30312331020310313 |
5 | 211234031222422 |
6 | 10202013430155 |
7 | 666101462234 |
oct | 146675106467 |
9 | 38566103078 |
10 | 13806898487 |
11 | 59456a8208 |
12 | 2813a9b35b |
13 | 13c05cb825 |
14 | 94d9ac78b |
15 | 55c1dcd42 |
hex | 336f48d37 |
13806898487 has 2 divisors, whose sum is σ = 13806898488. Its totient is φ = 13806898486.
The previous prime is 13806898481. The next prime is 13806898583. The reversal of 13806898487 is 78489860831.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13806898487 - 24 = 13806898471 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13806898481) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6903449243 + 6903449244.
It is an arithmetic number, because the mean of its divisors is an integer number (6903449244).
Almost surely, 213806898487 is an apocalyptic number.
13806898487 is a deficient number, since it is larger than the sum of its proper divisors (1).
13806898487 is an equidigital number, since it uses as much as digits as its factorization.
13806898487 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18579456, while the sum is 62.
The spelling of 13806898487 in words is "thirteen billion, eight hundred six million, eight hundred ninety-eight thousand, four hundred eighty-seven".
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