Base | Representation |
---|---|
bin | 10100001001001… |
… | …11000010000101 |
3 | 102202222002211020 |
4 | 22010213002011 |
5 | 321224334423 |
6 | 24433501353 |
7 | 4121211564 |
oct | 1204470205 |
9 | 382862736 |
10 | 168980613 |
11 | 874266aa |
12 | 48711859 |
13 | 29016339 |
14 | 18629bdb |
15 | ec7d4e3 |
hex | a127085 |
168980613 has 8 divisors (see below), whose sum is σ = 228022368. Its totient is φ = 111296304.
The previous prime is 168980611. The next prime is 168980641. The reversal of 168980613 is 316089861.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 168980613 - 21 = 168980611 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (168980611) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339070 + ... + 339567.
It is an arithmetic number, because the mean of its divisors is an integer number (28502796).
Almost surely, 2168980613 is an apocalyptic number.
It is an amenable number.
168980613 is a deficient number, since it is larger than the sum of its proper divisors (59041755).
168980613 is an equidigital number, since it uses as much as digits as its factorization.
168980613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 678723.
The product of its (nonzero) digits is 62208, while the sum is 42.
The square root of 168980613 is about 12999.2543247680. The cubic root of 168980613 is about 552.8563392661.
The spelling of 168980613 in words is "one hundred sixty-eight million, nine hundred eighty thousand, six hundred thirteen".
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