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68579732701378 = 2191804729807931
BaseRepresentation
bin11111001011111011101101…
…00110110100000011000010
322222211011021111010112022001
433211331312212310003002
532442102243032421003
6401505032210134214
720305502464545553
oct1745756646640302
9288734244115261
1068579732701378
111a940557270468
12783726588136a
132c3606c236b52
1412d13c367432a
157dddb241a61d
hex3e5f769b40c2

68579732701378 has 8 divisors (see below), whose sum is σ = 108283788475920. Its totient is φ = 32485136542740.

The previous prime is 68579732701373. The next prime is 68579732701477. The reversal of 68579732701378 is 87310723797586.

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

It is a self number, because there is not a number n which added to its sum of digits gives 68579732701378.

It is not an unprimeable number, because it can be changed into a prime (68579732701373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902364903928 + ... + 902364904003.

It is an arithmetic number, because the mean of its divisors is an integer number (13535473559490).

Almost surely, 268579732701378 is an apocalyptic number.

68579732701378 is a deficient number, since it is larger than the sum of its proper divisors (39704055774542).

68579732701378 is a wasteful number, since it uses less digits than its factorization.

68579732701378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804729807952.

The product of its (nonzero) digits is 746807040, while the sum is 73.

The spelling of 68579732701378 in words is "sixty-eight trillion, five hundred seventy-nine billion, seven hundred thirty-two million, seven hundred one thousand, three hundred seventy-eight".

Divisors: 1 2 19 38 1804729807931 3609459615862 34289866350689 68579732701378