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10664162542 = 211539145937
BaseRepresentation
bin10011110111010001…
…00011010011101110
31000112012111120212001
421323220203103232
5133320011200132
64522110002514
7525160612615
oct117350432356
930465446761
1010664162542
114582707180
1220974a643a
13100c48c867
1473244c87c
15426351ce7
hex27ba234ee

10664162542 has 16 divisors (see below), whose sum is σ = 17779703472. Its totient is φ = 4755886720.

The previous prime is 10664162527. The next prime is 10664162549. The reversal of 10664162542 is 24526146601.

It is a super-2 number, since 2×106641625422 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10664162549) 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, 4571803 + ... + 4574134.

It is an arithmetic number, because the mean of its divisors is an integer number (1111231467).

Almost surely, 210664162542 is an apocalyptic number.

10664162542 is a deficient number, since it is larger than the sum of its proper divisors (7115540930).

10664162542 is a wasteful number, since it uses less digits than its factorization.

10664162542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9146003.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 10664162542 in words is "ten billion, six hundred sixty-four million, one hundred sixty-two thousand, five hundred forty-two".

Divisors: 1 2 11 22 53 106 583 1166 9145937 18291874 100605307 201210614 484734661 969469322 5332081271 10664162542