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68312429466170 = 2542116226230277
BaseRepresentation
bin11111000100001001110100…
…00101111001001000111010
322221212121022122221020202112
433202010322011321020322
532423212323420404140
6401142144042132322
720250260453542121
oct1742047205711072
9287777278836675
1068312429466170
111a84815859452a
1277b34a64b10a2
132c16ab03c3356
1412c24a6baaab8
157d6e6a4cbc65
hex3e213a17923a

68312429466170 has 16 divisors (see below), whose sum is σ = 123254445191688. Its totient is φ = 27260066863680.

The previous prime is 68312429466167. The next prime is 68312429466191. The reversal of 68312429466170 is 7166492421386.

It can be written as a sum of positive squares in 4 ways, for example, as 29169926044561 + 39142503421609 = 5400919^2 + 6256397^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8113110929 + ... + 8113119348.

Almost surely, 268312429466170 is an apocalyptic number.

68312429466170 is a deficient number, since it is larger than the sum of its proper divisors (54942015725518).

68312429466170 is a wasteful number, since it uses less digits than its factorization.

68312429466170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16226230705.

The product of its (nonzero) digits is 20901888, while the sum is 59.

The spelling of 68312429466170 in words is "sixty-eight trillion, three hundred twelve billion, four hundred twenty-nine million, four hundred sixty-six thousand, one hundred seventy".

Divisors: 1 2 5 10 421 842 2105 4210 16226230277 32452460554 81131151385 162262302770 6831242946617 13662485893234 34156214733085 68312429466170