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11678145018 = 231946357503
BaseRepresentation
bin10101110000001001…
…00101100111111010
31010010212111020022120
422320010211213322
5142404101120033
65210451102110
7562252411011
oct127004454772
933125436276
1011678145018
114a53010221
12231aba1936
1311415841a7
147cad99a78
154853961b3
hex2b81259fa

11678145018 has 8 divisors (see below), whose sum is σ = 23356290048. Its totient is φ = 3892715004.

The previous prime is 11678145013. The next prime is 11678145077. The reversal of 11678145018 is 81054187611.

11678145018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

11678145018 is an admirable number.

It is a super-2 number, since 2×116781450182 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11678145013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973178746 + ... + 973178757.

It is an arithmetic number, because the mean of its divisors is an integer number (2919536256).

Almost surely, 211678145018 is an apocalyptic number.

11678145018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11678145018 is a wasteful number, since it uses less digits than its factorization.

11678145018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946357508.

The product of its (nonzero) digits is 53760, while the sum is 42.

The spelling of 11678145018 in words is "eleven billion, six hundred seventy-eight million, one hundred forty-five thousand, eighteen".

Divisors: 1 2 3 6 1946357503 3892715006 5839072509 11678145018