Search a number
-
+
28030084424 = 233503760553
BaseRepresentation
bin11010000110101110…
…010010010101001000
32200100110112211012222
4122012232102111020
5424401200200144
620513221553212
72011416533516
oct320656222510
980313484188
1028030084424
1110984285331
125523275808
132849222294
1414dc9814b6
15ae0c0a2ee
hex686b92548

28030084424 has 8 divisors (see below), whose sum is σ = 52556408310. Its totient is φ = 14015042208.

The previous prime is 28030084409. The next prime is 28030084573. The reversal of 28030084424 is 42448003082.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16840252900 + 11189831524 = 129770^2 + 105782^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1751880269 + ... + 1751880284.

Almost surely, 228030084424 is an apocalyptic number.

It is an amenable number.

28030084424 is a deficient number, since it is larger than the sum of its proper divisors (24526323886).

28030084424 is a wasteful number, since it uses less digits than its factorization.

28030084424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503760559 (or 3503760555 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

The spelling of 28030084424 in words is "twenty-eight billion, thirty million, eighty-four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 3503760553 7007521106 14015042212 28030084424