Search a number
-
+
17968299186 = 2347112956437
BaseRepresentation
bin10000101110111111…
…100111110010110010
31201101020112011200110
4100232333213302302
5243244341033221
612130551002150
71204162010625
oct205677476262
951336464613
1017968299186
117690700142
123595669356
1319047b13c6
14c26537dbc
157026e5776
hex42efe7cb2

17968299186 has 32 divisors (see below), whose sum is σ = 36734365440. Its totient is φ = 5856702336.

The previous prime is 17968299157. The next prime is 17968299191. The reversal of 17968299186 is 68199286971.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290160 + ... + 346596.

It is an arithmetic number, because the mean of its divisors is an integer number (1147948920).

Almost surely, 217968299186 is an apocalyptic number.

17968299186 is an abundant number, since it is smaller than the sum of its proper divisors (18766066254).

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

17968299186 is a wasteful number, since it uses less digits than its factorization.

17968299186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57618.

The product of its digits is 23514624, while the sum is 66.

The spelling of 17968299186 in words is "seventeen billion, nine hundred sixty-eight million, two hundred ninety-nine thousand, one hundred eighty-six".

Divisors: 1 2 3 6 47 94 141 282 1129 2258 3387 6774 53063 56437 106126 112874 159189 169311 318378 338622 2652539 5305078 7957617 15915234 63717373 127434746 191152119 382304238 2994716531 5989433062 8984149593 17968299186