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10206661303 = 71283507971
BaseRepresentation
bin10011000000101110…
…10100101010110111
3222100022122010010201
421200113110222313
5131400401130203
64404444101331
7510634122016
oct114027245267
928308563121
1010206661303
114368437783
121b8a234847
13c68767777
146cb79aa7d
153eb0d0e1d
hex2605d4ab7

10206661303 has 8 divisors (see below), whose sum is σ = 10387011456. Its totient is φ = 10027327800.

The previous prime is 10206661291. The next prime is 10206661321. The reversal of 10206661303 is 30316660201.

10206661303 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.

It is a cyclic number.

It is not a de Polignac number, because 10206661303 - 29 = 10206660791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10206661393) 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 7 ways as a sum of consecutive naturals, for example, 233893 + ... + 274078.

It is an arithmetic number, because the mean of its divisors is an integer number (1298376432).

Almost surely, 210206661303 is an apocalyptic number.

10206661303 is a deficient number, since it is larger than the sum of its proper divisors (180350153).

10206661303 is an equidigital number, since it uses as much as digits as its factorization.

10206661303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508325.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 10206661303 in words is "ten billion, two hundred six million, six hundred sixty-one thousand, three hundred three".

Divisors: 1 71 283 20093 507971 36065941 143755793 10206661303