Search a number
-
+
168102313 = 967173839
BaseRepresentation
bin10100000010100…
…00100110101001
3102201022111000121
422001100212221
5321013233223
624403003241
74110563131
oct1201204651
9381274017
10168102313
1186986835
1248369521
1328a99632
141847bac1
15eb5815d
hexa0509a9

168102313 has 4 divisors (see below), whose sum is σ = 168277120. Its totient is φ = 167927508.

The previous prime is 168102287. The next prime is 168102317. The reversal of 168102313 is 313201861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313201861 = 744743123.

It is a cyclic number.

It is not a de Polignac number, because 168102313 - 217 = 167971241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168102317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85953 + ... + 87886.

It is an arithmetic number, because the mean of its divisors is an integer number (42069280).

Almost surely, 2168102313 is an apocalyptic number.

It is an amenable number.

168102313 is a deficient number, since it is larger than the sum of its proper divisors (174807).

168102313 is an equidigital number, since it uses as much as digits as its factorization.

168102313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174806.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 168102313 is about 12965.4276057522. The cubic root of 168102313 is about 551.8968259613.

The spelling of 168102313 in words is "one hundred sixty-eight million, one hundred two thousand, three hundred thirteen".

Divisors: 1 967 173839 168102313