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68004154380688 = 244250259648793
BaseRepresentation
bin11110111011001011100110…
…11101110001000110010000
322220210010121102222022202221
433131211303131301012100
532403140002010140223
6400344402141150424
720216065224545011
oct1735456335610620
9286703542868687
1068004154380688
111a739444313009
1277637b185b414
132bc39c2067b76
1412b15c0a35008
157cde265d5b5d
hex3dd973771190

68004154380688 has 10 divisors (see below), whose sum is σ = 131758049112614. Its totient is φ = 34002077190336.

The previous prime is 68004154380683. The next prime is 68004154380761. The reversal of 68004154380688 is 88608345140086.

It can be written as a sum of positive squares in only one way, i.e., 41087689761024 + 26916464619664 = 6409968^2 + 5188108^2 .

It is not an unprimeable number, because it can be changed into a prime (68004154380683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2125129824381 + ... + 2125129824412.

Almost surely, 268004154380688 is an apocalyptic number.

It is an amenable number.

68004154380688 is a deficient number, since it is larger than the sum of its proper divisors (63753894731926).

68004154380688 is a wasteful number, since it uses less digits than its factorization.

68004154380688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250259648801 (or 4250259648795 counting only the distinct ones).

The product of its (nonzero) digits is 35389440, while the sum is 61.

The spelling of 68004154380688 in words is "sixty-eight trillion, four billion, one hundred fifty-four million, three hundred eighty thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 4250259648793 8500519297586 17001038595172 34002077190344 68004154380688