Search a number
-
+
68758351 is a prime number
BaseRepresentation
bin1000001100100…
…10101101001111
311210101021201121
410012102231033
5120100231401
610453421411
71463302444
oct406225517
9153337647
1068758351
11358a3192
121b03a867
131132561c
1491bb9cb
156082ca1
hex4192b4f

68758351 has 2 divisors, whose sum is σ = 68758352. Its totient is φ = 68758350.

The previous prime is 68758343. The next prime is 68758357. The reversal of 68758351 is 15385786.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68758351 - 23 = 68758343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68758298 and 68758307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68758357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34379175 + 34379176.

It is an arithmetic number, because the mean of its divisors is an integer number (34379176).

Almost surely, 268758351 is an apocalyptic number.

68758351 is a deficient number, since it is larger than the sum of its proper divisors (1).

68758351 is an equidigital number, since it uses as much as digits as its factorization.

68758351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 43.

The square root of 68758351 is about 8292.0655448447. The cubic root of 68758351 is about 409.6772216637.

The spelling of 68758351 in words is "sixty-eight million, seven hundred fifty-eight thousand, three hundred fifty-one".