Search a number
-
+
28884286896 = 243601755977
BaseRepresentation
bin11010111001101000…
…110011110110110000
32202112222212210201120
4122321220303312300
5433123334140041
621134054302240
72041531246653
oct327150636660
982488783646
1028884286896
1111282477293
125721357980
1329541a232a
1415801b989a
15b40bdc366
hex6b9a33db0

28884286896 has 20 divisors (see below), whose sum is σ = 74617741272. Its totient is φ = 9628095616.

The previous prime is 28884286831. The next prime is 28884286901. The reversal of 28884286896 is 69868248882.

It is a self number, because there is not a number n which added to its sum of digits gives 28884286896.

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, 300877941 + ... + 300878036.

Almost surely, 228884286896 is an apocalyptic number.

It is an amenable number.

28884286896 is an abundant number, since it is smaller than the sum of its proper divisors (45733454376).

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

28884286896 is a wasteful number, since it uses less digits than its factorization.

28884286896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601755988 (or 601755982 counting only the distinct ones).

The product of its digits is 169869312, while the sum is 69.

The spelling of 28884286896 in words is "twenty-eight billion, eight hundred eighty-four million, two hundred eighty-six thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 601755977 1203511954 1805267931 2407023908 3610535862 4814047816 7221071724 9628095632 14442143448 28884286896