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68151035 = 513630207
BaseRepresentation
bin1000000111111…
…10011011111011
311202020102122102
410003332123323
5114421313120
610432414015
71455163031
oct403763373
9152212572
1068151035
1135518977
121a9a730b
1311172074
1490a0551
155eb2d75
hex40fe6fb

68151035 has 4 divisors (see below), whose sum is σ = 81781248. Its totient is φ = 54520824.

The previous prime is 68151023. The next prime is 68151037. The reversal of 68151035 is 53015186.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68151035 - 24 = 68151019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68150989 and 68151007.

It is not an unprimeable number, because it can be changed into a prime (68151037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6815099 + ... + 6815108.

It is an arithmetic number, because the mean of its divisors is an integer number (20445312).

Almost surely, 268151035 is an apocalyptic number.

68151035 is a deficient number, since it is larger than the sum of its proper divisors (13630213).

68151035 is a wasteful number, since it uses less digits than its factorization.

68151035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13630212.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 68151035 is about 8255.3640137792. The cubic root of 68151035 is about 408.4674792722.

The spelling of 68151035 in words is "sixty-eight million, one hundred fifty-one thousand, thirty-five".

Divisors: 1 5 13630207 68151035