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68017701 = 3194327751
BaseRepresentation
bin1000000110111…
…01111000100101
311201222122202010
410003131320211
5114403031301
610425504433
71454066223
oct403357045
9151878663
1068017701
1135437784
121a942119
131112647b
149067b13
155e885d6
hex40dde25

68017701 has 16 divisors (see below), whose sum is σ = 97687040. Its totient is φ = 41958000.

The previous prime is 68017687. The next prime is 68017711. The reversal of 68017701 is 10771086.

It is not a de Polignac number, because 68017701 - 26 = 68017637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68017711) 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 in 15 ways as a sum of consecutive naturals, for example, 11425 + ... + 16326.

It is an arithmetic number, because the mean of its divisors is an integer number (6105440).

Almost surely, 268017701 is an apocalyptic number.

It is an amenable number.

68017701 is a deficient number, since it is larger than the sum of its proper divisors (29669339).

68017701 is a wasteful number, since it uses less digits than its factorization.

68017701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27816.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 68017701 is about 8247.2844621730. The cubic root of 68017701 is about 408.2009234804.

Adding to 68017701 its reverse (10771086), we get a palindrome (78788787).

It can be divided in two parts, 680 and 17701, that added together give a palindrome (18381).

The spelling of 68017701 in words is "sixty-eight million, seventeen thousand, seven hundred one".

Divisors: 1 3 19 43 57 129 817 2451 27751 83253 527269 1193293 1581807 3579879 22672567 68017701