Search a number
-
+
16851454230 = 2351343208857
BaseRepresentation
bin11111011000110110…
…01100100100010110
31121111101222120102110
433230123030210112
5234002433013410
611424053051450
71134410666112
oct175433144426
947441876373
1016851454230
11716822aa86
123323626b86
1317872b33c0
14b5c092742
15689633720
hex3ec6cc916

16851454230 has 32 divisors (see below), whose sum is σ = 43554528864. Its totient is φ = 4148050176.

The previous prime is 16851454201. The next prime is 16851454253. The reversal of 16851454230 is 3245415861.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

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, 21604039 + ... + 21604818.

It is an arithmetic number, because the mean of its divisors is an integer number (1361079027).

Almost surely, 216851454230 is an apocalyptic number.

16851454230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16851454230 is an abundant number, since it is smaller than the sum of its proper divisors (26703074634).

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

16851454230 is a wasteful number, since it uses less digits than its factorization.

16851454230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43208880.

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 16851454230 in words is "sixteen billion, eight hundred fifty-one million, four hundred fifty-four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 43208857 86417714 129626571 216044285 259253142 432088570 561715141 648132855 1123430282 1296265710 1685145423 2808575705 3370290846 5617151410 8425727115 16851454230