Base | Representation |
---|---|
bin | 1100100110010… |
… | …00111100011111 |
3 | 21100212010121221 |
4 | 12103020330133 |
5 | 204023240141 |
6 | 14253034211 |
7 | 2422161625 |
oct | 623107437 |
9 | 240763557 |
10 | 105680671 |
11 | 547214a8 |
12 | 2b485967 |
13 | 18b82355 |
14 | 1006d515 |
15 | 9427bd1 |
hex | 64c8f1f |
105680671 has 2 divisors, whose sum is σ = 105680672. Its totient is φ = 105680670.
The previous prime is 105680639. The next prime is 105680677. The reversal of 105680671 is 176086501.
It is a strong prime.
It is an emirp because it is prime and its reverse (176086501) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 105680671 - 25 = 105680639 is a prime.
It is a super-2 number, since 2×1056806712 = 22336808446020482, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (105680677) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52840335 + 52840336.
It is an arithmetic number, because the mean of its divisors is an integer number (52840336).
Almost surely, 2105680671 is an apocalyptic number.
105680671 is a deficient number, since it is larger than the sum of its proper divisors (1).
105680671 is an equidigital number, since it uses as much as digits as its factorization.
105680671 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10080, while the sum is 34.
The square root of 105680671 is about 10280.1104566050. The cubic root of 105680671 is about 472.7866308611.
The spelling of 105680671 in words is "one hundred five million, six hundred eighty thousand, six hundred seventy-one".
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