Search a number
-
+
17385987090 = 235579532903
BaseRepresentation
bin10000001100010010…
…010001110000010010
31122212122210122122210
4100030102101300102
5241101303041330
611553110012550
71153561311003
oct201422216022
948778718583
1017385987090
117411a3347a
123452647156
131840c69734
14bad0771aa
156bb51d8b0
hex40c491c12

17385987090 has 16 divisors (see below), whose sum is σ = 41726369088. Its totient is φ = 4636263216.

The previous prime is 17385987079. The next prime is 17385987103. The reversal of 17385987090 is 9078958371.

It is a self number, because there is not a number n which added to its sum of digits gives 17385987090.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289766422 + ... + 289766481.

It is an arithmetic number, because the mean of its divisors is an integer number (2607898068).

Almost surely, 217385987090 is an apocalyptic number.

17385987090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17385987090 is an abundant number, since it is smaller than the sum of its proper divisors (24340381998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17385987090 is a wasteful number, since it uses less digits than its factorization.

17385987090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579532913.

The product of its (nonzero) digits is 3810240, while the sum is 57.

The spelling of 17385987090 in words is "seventeen billion, three hundred eighty-five million, nine hundred eighty-seven thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 579532903 1159065806 1738598709 2897664515 3477197418 5795329030 8692993545 17385987090