Search a number
-
+
68176601771 = 232964200077
BaseRepresentation
bin111111011111101001…
…000110001010101011
320111222100022012201212
4333133221012022223
52104111202224041
651153033103335
74632323360555
oct773751061253
9214870265655
1068176601771
1126a05a06a93
1211268257b4b
1365767544a5
14342a7ac4d5
151b904d48eb
hexfdfa462ab

68176601771 has 4 divisors (see below), whose sum is σ = 71140801872. Its totient is φ = 65212401672.

The previous prime is 68176601681. The next prime is 68176601791. The reversal of 68176601771 is 17710667186.

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 68176601771 - 234 = 50996732587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68176601791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1482100016 + ... + 1482100061.

It is an arithmetic number, because the mean of its divisors is an integer number (17785200468).

Almost surely, 268176601771 is an apocalyptic number.

68176601771 is a deficient number, since it is larger than the sum of its proper divisors (2964200101).

68176601771 is a wasteful number, since it uses less digits than its factorization.

68176601771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964200100.

The product of its (nonzero) digits is 592704, while the sum is 50.

The spelling of 68176601771 in words is "sixty-eight billion, one hundred seventy-six million, six hundred one thousand, seven hundred seventy-one".

Divisors: 1 23 2964200077 68176601771