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6918162137803 = 72269435570241
BaseRepresentation
bin110010010101100001010…
…0110001100001011001011
3220111100222121120211102001
41210223002212030023023
51401321344001402203
622414054304051431
71312551335625610
oct144530246141313
926440877524361
106918162137803
112227a81197194
12938952603b77
133b24c2807cb7
1419cbab36a507
15bee55be891d
hex64ac298c2cb

6918162137803 has 8 divisors (see below), whose sum is σ = 7909955594720. Its totient is φ = 5927239825920.

The previous prime is 6918162137773. The next prime is 6918162137819. The reversal of 6918162137803 is 3087312618196.

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

It is not a de Polignac number, because 6918162137803 - 25 = 6918162137771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6918162137893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217769238 + ... + 217801003.

It is an arithmetic number, because the mean of its divisors is an integer number (988744449340).

Almost surely, 26918162137803 is an apocalyptic number.

6918162137803 is a deficient number, since it is larger than the sum of its proper divisors (991793456917).

6918162137803 is a wasteful number, since it uses less digits than its factorization.

6918162137803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435572517.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 6918162137803 in words is "six trillion, nine hundred eighteen billion, one hundred sixty-two million, one hundred thirty-seven thousand, eight hundred three".

Divisors: 1 7 2269 15883 435570241 3048991687 988308876829 6918162137803