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68456377365486 = 23112345096427777
BaseRepresentation
bin11111001000010101111100…
…00011100011001111101110
322222101100212122022012020220
433210022332003203033232
532433042130101143421
6401332231533152210
720263544563521015
oct1744127603431756
9288340778265226
1068456377365486
111a8a3206406880
12781737a32b666
132c27540b64436
1412c9440869a7c
157daa92ad13c6
hex3e42be0e33ee

68456377365486 has 32 divisors (see below), whose sum is σ = 155853254400768. Its totient is φ = 19842428221440.

The previous prime is 68456377365479. The next prime is 68456377365487.

68456377365486 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68456377365487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22548212371 + ... + 22548215406.

It is an arithmetic number, because the mean of its divisors is an integer number (4870414200024).

Almost surely, 268456377365486 is an apocalyptic number.

68456377365486 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

68456377365486 is an abundant number, since it is smaller than the sum of its proper divisors (87396877035282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68456377365486 is a wasteful number, since it uses less digits than its factorization.

68456377365486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45096427816.

The product of its digits is 14631321600, while the sum is 78.

The spelling of 68456377365486 in words is "sixty-eight trillion, four hundred fifty-six billion, three hundred seventy-seven million, three hundred sixty-five thousand, four hundred eighty-six".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 138 253 506 759 1518 45096427777 90192855554 135289283331 270578566662 496060705547 992121411094 1037217838871 1488182116641 2074435677742 2976364233282 3111653516613 6223307033226 11409396227581 22818792455162 34228188682743 68456377365486