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20068754053723 = 39096751331069
BaseRepresentation
bin1001001000000100111101…
…11101001101101001011011
32122001112221222100022112221
410210002132331031221123
510112301302014204343
6110403243000044511
74140630301601044
oct444023675155133
978045858308487
1020068754053723
116438124521241
122301561163737
13b2762456a96b
144d54935c38cb
1524c07add25ed
hex12409ef4da5b

20068754053723 has 4 divisors (see below), whose sum is σ = 20068805775760. Its totient is φ = 20068702331688.

The previous prime is 20068754053637. The next prime is 20068754053741. The reversal of 20068754053723 is 32735045786002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20068754053723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20068754053223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25274568 + ... + 26056501.

It is an arithmetic number, because the mean of its divisors is an integer number (5017201443940).

Almost surely, 220068754053723 is an apocalyptic number.

20068754053723 is a deficient number, since it is larger than the sum of its proper divisors (51722037).

20068754053723 is an equidigital number, since it uses as much as digits as its factorization.

20068754053723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51722036.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 20068754053723 in words is "twenty trillion, sixty-eight billion, seven hundred fifty-four million, fifty-three thousand, seven hundred twenty-three".

Divisors: 1 390967 51331069 20068754053723