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68166703167682 = 2723581206481923
BaseRepresentation
bin11110111111111010011000…
…01000001011100011000010
322221100200011202012021020011
433133331030020023203002
532413320402002331212
6400551203501535134
720233611310463050
oct1737751410134302
9287320152167204
1068166703167682
111a7a13779215a9
12778b1b6b744aa
132c06128386172
1412b9400c591d0
157d328bbd94a7
hex3dff4c20b8c2

68166703167682 has 16 divisors (see below), whose sum is σ = 116862161562432. Its totient is φ = 29213062324560.

The previous prime is 68166703167677. The next prime is 68166703167697. The reversal of 68166703167682 is 28676130766186.

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, 102910828 + ... + 103571095.

It is an arithmetic number, because the mean of its divisors is an integer number (7303885097652).

Almost surely, 268166703167682 is an apocalyptic number.

68166703167682 is a deficient number, since it is larger than the sum of its proper divisors (48695458394750).

68166703167682 is a wasteful number, since it uses less digits than its factorization.

68166703167682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206505513.

The product of its (nonzero) digits is 146313216, while the sum is 67.

The spelling of 68166703167682 in words is "sixty-eight trillion, one hundred sixty-six billion, seven hundred three million, one hundred sixty-seven thousand, six hundred eighty-two".

Divisors: 1 2 7 14 23581 47162 165067 330134 206481923 412963846 1445373461 2890746922 4869050226263 9738100452526 34083351583841 68166703167682