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1328980466 = 21173938171
BaseRepresentation
bin100111100110110…
…1010000111110010
310102121201012110202
41033031222013302
510210204333331
6335512355202
744635101422
oct11715520762
93377635422
101328980466
116221a1770
123110a5b02
13182443b98
14c8706482
157ba16ecb
hex4f36a1f2

1328980466 has 16 divisors (see below), whose sum is σ = 2175255648. Its totient is φ = 603926400.

The previous prime is 1328980453. The next prime is 1328980501. The reversal of 1328980466 is 6640898231.

It is a self number, because there is not a number n which added to its sum of digits gives 1328980466.

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 7 ways as a sum of consecutive naturals, for example, 158561 + ... + 166731.

It is an arithmetic number, because the mean of its divisors is an integer number (135953478).

Almost surely, 21328980466 is an apocalyptic number.

1328980466 is a deficient number, since it is larger than the sum of its proper divisors (846275182).

1328980466 is a wasteful number, since it uses less digits than its factorization.

1328980466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15577.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 1328980466 is about 36455.1843501031. The cubic root of 1328980466 is about 1099.4433729260.

The spelling of 1328980466 in words is "one billion, three hundred twenty-eight million, nine hundred eighty thousand, four hundred sixty-six".

Divisors: 1 2 11 22 7393 8171 14786 16342 81323 89881 162646 179762 60408203 120816406 664490233 1328980466