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68763358370242 = 234381679185121
BaseRepresentation
bin11111010001010001101111…
…00011001001100111000010
3100000110201020200020000012201
433220220313203021213002
533003104324220321432
6402125241205343414
720324663060150044
oct1750506743114702
9300421220200181
1068763358370242
111aa01416163298
127866971707b6a
132c4a484077c93
1412da242bc1a94
157e3a5d0a5ee7
hex3e8a378c99c2

68763358370242 has 4 divisors (see below), whose sum is σ = 103145037555366. Its totient is φ = 34381679185120.

The previous prime is 68763358370209. The next prime is 68763358370303. The reversal of 68763358370242 is 24207385336786.

68763358370242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48801415611601 + 19961942758641 = 6985801^2 + 4467879^2 .

It is a super-2 number, since 2×687633583702422 (a number of 28 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 17190839592559 + ... + 17190839592562.

Almost surely, 268763358370242 is an apocalyptic number.

68763358370242 is a deficient number, since it is larger than the sum of its proper divisors (34381679185124).

68763358370242 is a wasteful number, since it uses less digits than its factorization.

68763358370242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34381679185123.

The product of its (nonzero) digits is 243855360, while the sum is 64.

The spelling of 68763358370242 in words is "sixty-eight trillion, seven hundred sixty-three billion, three hundred fifty-eight million, three hundred seventy thousand, two hundred forty-two".

Divisors: 1 2 34381679185121 68763358370242