Search a number
-
+
28792316198 = 237547383417
BaseRepresentation
bin11010110100001001…
…111110000100100110
32202022120211012122102
4122310021332010212
5432431313104243
621121011132102
72036333435552
oct326411760446
982276735572
1028792316198
111123556a348
1256b65a4032
13293b1103b9
141571cb8862
15b37ac19b8
hex6b427e126

28792316198 has 8 divisors (see below), whose sum is σ = 43189737192. Its totient is φ = 14395737136.

The previous prime is 28792316191. The next prime is 28792316227. The reversal of 28792316198 is 89161329782.

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

It is a super-2 number, since 2×287923161982 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28792316191) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 116615 + ... + 266802.

It is an arithmetic number, because the mean of its divisors is an integer number (5398717149).

Almost surely, 228792316198 is an apocalyptic number.

28792316198 is a deficient number, since it is larger than the sum of its proper divisors (14397420994).

28792316198 is a wasteful number, since it uses less digits than its factorization.

28792316198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420966.

The product of its digits is 2612736, while the sum is 56.

The spelling of 28792316198 in words is "twenty-eight billion, seven hundred ninety-two million, three hundred sixteen thousand, one hundred ninety-eight".

Divisors: 1 2 37547 75094 383417 766834 14396158099 28792316198