Base | Representation |
---|---|
bin | 1011111011110… |
… | …01110001001111 |
3 | 20222101021212221 |
4 | 11331321301033 |
5 | 201112112422 |
6 | 13533440211 |
7 | 2323644025 |
oct | 575716117 |
9 | 228337787 |
10 | 100113487 |
11 | 51569821 |
12 | 29640067 |
13 | 17983366 |
14 | d420715 |
15 | 8bc83c7 |
hex | 5f79c4f |
100113487 has 2 divisors, whose sum is σ = 100113488. Its totient is φ = 100113486.
The previous prime is 100113469. The next prime is 100113551. The reversal of 100113487 is 784311001.
It is a weak prime.
It is an emirp because it is prime and its reverse (784311001) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 100113487 - 219 = 99589199 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (100113407) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50056743 + 50056744.
It is an arithmetic number, because the mean of its divisors is an integer number (50056744).
Almost surely, 2100113487 is an apocalyptic number.
100113487 is a deficient number, since it is larger than the sum of its proper divisors (1).
100113487 is an equidigital number, since it uses as much as digits as its factorization.
100113487 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 672, while the sum is 25.
The square root of 100113487 is about 10005.6727410005. The cubic root of 100113487 is about 464.3344036444.
Adding to 100113487 its reverse (784311001), we get a palindrome (884424488).
The spelling of 100113487 in words is "one hundred million, one hundred thirteen thousand, four hundred eighty-seven".
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