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68120758 = 2304911171
BaseRepresentation
bin1000000111101…
…11000010110110
311202011220010001
410003313002312
5114414331013
610432021514
71455005536
oct403670266
9152156101
1068120758
11354a8152
121a99189a
1311161354
1490934c6
155ea8ddd
hex40f70b6

68120758 has 8 divisors (see below), whose sum is σ = 102223800. Its totient is φ = 34046160.

The previous prime is 68120711. The next prime is 68120761. The reversal of 68120758 is 85702186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 513 + ... + 11683.

It is an arithmetic number, because the mean of its divisors is an integer number (12777975).

Almost surely, 268120758 is an apocalyptic number.

68120758 is a deficient number, since it is larger than the sum of its proper divisors (34103042).

68120758 is a wasteful number, since it uses less digits than its factorization.

68120758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14222.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 68120758 is about 8253.5300326588. The cubic root of 68120758 is about 408.4069812830.

The spelling of 68120758 in words is "sixty-eight million, one hundred twenty thousand, seven hundred fifty-eight".

Divisors: 1 2 3049 6098 11171 22342 34060379 68120758