Search a number
-
+
42938170824 = 2331789090451
BaseRepresentation
bin100111111111010100…
…000111110111001000
311002211102202002011010
4213333110013313020
51200414132431244
631420414003520
73050022300333
oct477724076710
9132742662133
1042938170824
111723452929a
1283a3aa65a0
1340839c9393
1421148bb61a
1511b4915eb9
hex9ff507dc8

42938170824 has 16 divisors (see below), whose sum is σ = 107345427120. Its totient is φ = 14312723600.

The previous prime is 42938170783. The next prime is 42938170861. The reversal of 42938170824 is 42807183924.

It is a super-2 number, since 2×429381708242 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 894545202 + ... + 894545249.

It is an arithmetic number, because the mean of its divisors is an integer number (6709089195).

Almost surely, 242938170824 is an apocalyptic number.

It is an amenable number.

42938170824 is an abundant number, since it is smaller than the sum of its proper divisors (64407256296).

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

42938170824 is a wasteful number, since it uses less digits than its factorization.

42938170824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789090460 (or 1789090456 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 42938170824 in words is "forty-two billion, nine hundred thirty-eight million, one hundred seventy thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 1789090451 3578180902 5367271353 7156361804 10734542706 14312723608 21469085412 42938170824