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68168204062 = 2726126942391
BaseRepresentation
bin111111011111001001…
…000011111100011110
320111221202111120020121
4333133021003330132
52104102030012222
651152133105154
74632162113500
oct773711037436
9214852446217
1068168204062
1126a011a0732
12112654881ba
136574aa402a
143429623d70
151b8e8c65c7
hexfdf243f1e

68168204062 has 48 divisors (see below), whose sum is σ = 121348795680. Its totient is φ = 28628510400.

The previous prime is 68168204023. The next prime is 68168204107. The reversal of 68168204062 is 26040286186.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1586887 + ... + 1629277.

It is an arithmetic number, because the mean of its divisors is an integer number (2528099910).

Almost surely, 268168204062 is an apocalyptic number.

68168204062 is a deficient number, since it is larger than the sum of its proper divisors (53180591618).

68168204062 is a wasteful number, since it uses less digits than its factorization.

68168204062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42737 (or 42730 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 68168204062 in words is "sixty-eight billion, one hundred sixty-eight million, two hundred four thousand, sixty-two".

Divisors: 1 2 7 14 49 61 98 122 269 427 538 854 1883 2989 3766 5978 13181 16409 26362 32818 42391 84782 114863 229726 296737 593474 804041 1608082 2077159 2585851 4154318 5171702 11403179 18100957 22806358 36201914 79822253 126706699 159644506 253413398 558755771 695593919 1117511542 1391187838 4869157433 9738314866 34084102031 68168204062