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1982680899 = 35911201587
BaseRepresentation
bin111011000101101…
…0100111101000011
312010011202121212220
41312023110331003
513030031242044
6524423422123
7100063336533
oct16613247503
95104677786
101982680899
11928198561
12473bb4943
132579c2284
1414b46b4c3
15b90e1019
hex762d4f43

1982680899 has 8 divisors (see below), whose sum is σ = 2688381120. Its totient is φ = 1299383976.

The previous prime is 1982680883. The next prime is 1982680901. The reversal of 1982680899 is 9980862891.

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

It is not a de Polignac number, because 1982680899 - 24 = 1982680883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1982680099) 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, 5600617 + ... + 5600970.

It is an arithmetic number, because the mean of its divisors is an integer number (336047640).

Almost surely, 21982680899 is an apocalyptic number.

1982680899 is a deficient number, since it is larger than the sum of its proper divisors (705700221).

1982680899 is a wasteful number, since it uses less digits than its factorization.

1982680899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11201649.

The product of its (nonzero) digits is 4478976, while the sum is 60.

The square root of 1982680899 is about 44527.3050947393. The cubic root of 1982680899 is about 1256.2737181433.

The spelling of 1982680899 in words is "one billion, nine hundred eighty-two million, six hundred eighty thousand, eight hundred ninety-nine".

Divisors: 1 3 59 177 11201587 33604761 660893633 1982680899