Search a number
-
+
16028706987 = 321780967443
BaseRepresentation
bin11101110110110001…
…01010100010101011
31112101001211200101100
432323120222202223
5230311322110422
611210302452443
71105130522106
oct167330524253
945331750340
1016028706987
116885872887
123133b94123
1316859c7807
14ac0ac573d
1563c2b67ac
hex3bb62a8ab

16028706987 has 6 divisors (see below), whose sum is σ = 23152576772. Its totient is φ = 10685804652.

The previous prime is 16028706977. The next prime is 16028707001. The reversal of 16028706987 is 78960782061.

It is not a de Polignac number, because 16028706987 - 212 = 16028702891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16028706937) 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 5 ways as a sum of consecutive naturals, for example, 890483713 + ... + 890483730.

Almost surely, 216028706987 is an apocalyptic number.

16028706987 is a deficient number, since it is larger than the sum of its proper divisors (7123869785).

16028706987 is a wasteful number, since it uses less digits than its factorization.

16028706987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780967449 (or 1780967446 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 16028706987 in words is "sixteen billion, twenty-eight million, seven hundred six thousand, nine hundred eighty-seven".

Divisors: 1 3 9 1780967443 5342902329 16028706987