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6680149185 = 352391863361
BaseRepresentation
bin1100011100010101…
…01111110011000001
3122020112212201221210
412032022233303001
5102140104233220
63022510440333
7324353221413
oct61612576301
918215781853
106680149185
112918851a56
1213652030a9
13825c778c8
1447529a9b3
152916d86e0
hex18e2afcc1

6680149185 has 16 divisors (see below), whose sum is σ = 10732965120. Its totient is φ = 3547837440.

The previous prime is 6680149169. The next prime is 6680149199. The reversal of 6680149185 is 5819410866.

It is not a de Polignac number, because 6680149185 - 24 = 6680149169 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 928096 + ... + 935265.

It is an arithmetic number, because the mean of its divisors is an integer number (670810320).

Almost surely, 26680149185 is an apocalyptic number.

It is an amenable number.

6680149185 is a deficient number, since it is larger than the sum of its proper divisors (4052815935).

6680149185 is a wasteful number, since it uses less digits than its factorization.

6680149185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863608.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 6680149185 is about 81732.1796173331. The cubic root of 6680149185 is about 1883.3399569733.

The spelling of 6680149185 in words is "six billion, six hundred eighty million, one hundred forty-nine thousand, one hundred eighty-five".

Divisors: 1 3 5 15 239 717 1195 3585 1863361 5590083 9316805 27950415 445343279 1336029837 2226716395 6680149185