Base | Representation |
---|---|
bin | 1100100110001… |
… | …10110110000111 |
3 | 21100211200211102 |
4 | 12103012312013 |
5 | 204023001241 |
6 | 14252530315 |
7 | 2422124561 |
oct | 623066607 |
9 | 240750742 |
10 | 105672071 |
11 | 54715a9a |
12 | 2b48099b |
13 | 18b7b46b |
14 | 1006a331 |
15 | 942539b |
hex | 64c6d87 |
105672071 has 2 divisors, whose sum is σ = 105672072. Its totient is φ = 105672070.
The previous prime is 105672011. The next prime is 105672101. The reversal of 105672071 is 170276501.
It is a strong prime.
It is an emirp because it is prime and its reverse (170276501) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-105672071 is a prime.
It is a super-2 number, since 2×1056720712 = 22333173178858082, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (105672011) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52836035 + 52836036.
It is an arithmetic number, because the mean of its divisors is an integer number (52836036).
Almost surely, 2105672071 is an apocalyptic number.
105672071 is a deficient number, since it is larger than the sum of its proper divisors (1).
105672071 is an equidigital number, since it uses as much as digits as its factorization.
105672071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2940, while the sum is 29.
The square root of 105672071 is about 10279.6921646516. The cubic root of 105672071 is about 472.7738058248.
The spelling of 105672071 in words is "one hundred five million, six hundred seventy-two thousand, seventy-one".
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