Search a number
-
+
185000038519 = 1773889316763
BaseRepresentation
bin1010110001001011011…
…1001001000001110111
3122200111222012200122111
42230102313021001313
511012340002213034
6220553212511451
716236321244612
oct2542267110167
9580458180574
10185000038519
117150477611a
122ba3017b587
13145a37b781a
148d4dcab179
154c2b66b364
hex2b12dc9077

185000038519 has 16 divisors (see below), whose sum is σ = 198599889312. Its totient is φ = 171702955008.

The previous prime is 185000038513. The next prime is 185000038523. The reversal of 185000038519 is 915830000581.

185000038519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 185000038519 - 211 = 185000036471 is a prime.

It is a super-2 number, since 2×1850000385192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185000038513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11027832 + ... + 11044594.

It is an arithmetic number, because the mean of its divisors is an integer number (12412493082).

Almost surely, 2185000038519 is an apocalyptic number.

185000038519 is a deficient number, since it is larger than the sum of its proper divisors (13599850793).

185000038519 is a wasteful number, since it uses less digits than its factorization.

185000038519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25746.

The product of its (nonzero) digits is 43200, while the sum is 40.

The spelling of 185000038519 in words is "one hundred eighty-five billion, thirty-eight thousand, five hundred nineteen".

Divisors: 1 17 73 1241 8893 16763 151181 284971 649189 1223699 11036213 20802883 149073359 2534247103 10882355207 185000038519