Search a number
-
+
168130451 is a prime number
BaseRepresentation
bin10100000010101…
…11011110010011
3102201100220121202
422001113132103
5321020133301
624403341415
74111041146
oct1201273623
9381326552
10168130451
11869a5995
124838186b
1328aa9398
141848805d
15eb6166b
hexa057793

168130451 has 2 divisors, whose sum is σ = 168130452. Its totient is φ = 168130450.

The previous prime is 168130441. The next prime is 168130477. The reversal of 168130451 is 154031861.

168130451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168130451 - 218 = 167868307 is a prime.

It is a Chen prime.

It is equal to p9404291 and since 168130451 and 9404291 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (168130441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84065225 + 84065226.

It is an arithmetic number, because the mean of its divisors is an integer number (84065226).

Almost surely, 2168130451 is an apocalyptic number.

168130451 is a deficient number, since it is larger than the sum of its proper divisors (1).

168130451 is an equidigital number, since it uses as much as digits as its factorization.

168130451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 168130451 is about 12966.5126768920. The cubic root of 168130451 is about 551.9276175395.

The spelling of 168130451 in words is "one hundred sixty-eight million, one hundred thirty thousand, four hundred fifty-one".