Search a number
-
+
39898040162 = 21412412
BaseRepresentation
bin100101001010000110…
…111100011101100010
310210222120012102220012
4211022012330131202
51123202344241122
630155013244522
72611465513541
oct451206743542
9123876172805
1039898040162
1115a14449112
127895933742
1339bac039b6
141d06c2a158
151087a967e2
hex94a1bc762

39898040162 has 6 divisors (see below), whose sum is σ = 59847483969. Its totient is φ = 19948878840.

The previous prime is 39898040159. The next prime is 39898040191. The reversal of 39898040162 is 26104089893.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31884030721 + 8014009441 = 178561^2 + 89521^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=141241.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39898040162.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 211862 + ... + 353102.

Almost surely, 239898040162 is an apocalyptic number.

39898040162 is a deficient number, since it is larger than the sum of its proper divisors (19949443807).

39898040162 is an frugal number, since it uses more digits than its factorization.

39898040162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282484 (or 141243 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

Multiplying 39898040162 by its sum of digits (50), we get a square (1994902008100 = 14124102).

The spelling of 39898040162 in words is "thirty-nine billion, eight hundred ninety-eight million, forty thousand, one hundred sixty-two".

Divisors: 1 2 141241 282482 19949020081 39898040162