Base | Representation |
---|---|
bin | 10100000001110… |
… | …01100100011011 |
3 | 102201010200121011 |
4 | 22000321210123 |
5 | 321002223323 |
6 | 24400554351 |
7 | 4110021064 |
oct | 1200714433 |
9 | 381120534 |
10 | 168007963 |
11 | 86921962 |
12 | 483229b7 |
13 | 28a656c6 |
14 | 1845556b |
15 | eb3a20d |
hex | a03991b |
168007963 has 2 divisors, whose sum is σ = 168007964. Its totient is φ = 168007962.
The previous prime is 168007949. The next prime is 168007981. The reversal of 168007963 is 369700861.
It is a weak prime.
It is an emirp because it is prime and its reverse (369700861) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 168007963 - 29 = 168007451 is a prime.
It is not a weakly prime, because it can be changed into another prime (168007943) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84003981 + 84003982.
It is an arithmetic number, because the mean of its divisors is an integer number (84003982).
Almost surely, 2168007963 is an apocalyptic number.
168007963 is a deficient number, since it is larger than the sum of its proper divisors (1).
168007963 is an equidigital number, since it uses as much as digits as its factorization.
168007963 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 54432, while the sum is 40.
The square root of 168007963 is about 12961.7885725698. The cubic root of 168007963 is about 551.7935531199.
The spelling of 168007963 in words is "one hundred sixty-eight million, seven thousand, nine hundred sixty-three".
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