Search a number
-
+
28371897206 = 271199802093
BaseRepresentation
bin11010011011000110…
…001100101101110110
32201020021201201012122
4122123012030231312
5431101201202311
621011152115542
72023040101322
oct323306145566
981207651178
1028371897206
111103a218334
1255b9835bb2
1328a1c9ca73
14153211a982
15b10c280db
hex69b18cb76

28371897206 has 8 divisors (see below), whose sum is σ = 43157252304. Its totient is φ = 13986146440.

The previous prime is 28371897199. The next prime is 28371897259. The reversal of 28371897206 is 60279817382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 99900905 + ... + 99901188.

It is an arithmetic number, because the mean of its divisors is an integer number (5394656538).

Almost surely, 228371897206 is an apocalyptic number.

28371897206 is a deficient number, since it is larger than the sum of its proper divisors (14785355098).

28371897206 is a wasteful number, since it uses less digits than its factorization.

28371897206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199802166.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 28371897206 in words is "twenty-eight billion, three hundred seventy-one million, eight hundred ninety-seven thousand, two hundred six".

Divisors: 1 2 71 142 199802093 399604186 14185948603 28371897206