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68176601770 = 256817660177
BaseRepresentation
bin111111011111101001…
…000110001010101010
320111222100022012201211
4333133221012022222
52104111202224040
651153033103334
74632323360554
oct773751061252
9214870265654
1068176601770
1126a05a06a92
1211268257b4a
1365767544a4
14342a7ac4d4
151b904d48ea
hexfdfa462aa

68176601770 has 8 divisors (see below), whose sum is σ = 122717883204. Its totient is φ = 27270640704.

The previous prime is 68176601681. The next prime is 68176601791. The reversal of 68176601770 is 7710667186.

It can be written as a sum of positive squares in 2 ways, for example, as 65162262361 + 3014339409 = 255269^2 + 54903^2 .

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

It is a super-4 number, since 4×681766017704 (a number of 44 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3408830079 + ... + 3408830098.

Almost surely, 268176601770 is an apocalyptic number.

68176601770 is a deficient number, since it is larger than the sum of its proper divisors (54541281434).

68176601770 is a wasteful number, since it uses less digits than its factorization.

68176601770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6817660184.

The product of its (nonzero) digits is 592704, while the sum is 49.

The spelling of 68176601770 in words is "sixty-eight billion, one hundred seventy-six million, six hundred one thousand, seven hundred seventy".

Divisors: 1 2 5 10 6817660177 13635320354 34088300885 68176601770