Search a number
-
+
28058204133 = 323117578237
BaseRepresentation
bin11010001000011001…
…100011011111100101
32200102102110110012200
4122020121203133211
5424430400013013
620520104405113
72012210541261
oct321031433745
980372413180
1028058204133
1110999141063
125530776799
132851cb946b
1415025c10a1
15ae3411e73
hex6886637e5

28058204133 has 6 divisors (see below), whose sum is σ = 40528517094. Its totient is φ = 18705469416.

The previous prime is 28058204131. The next prime is 28058204171. The reversal of 28058204133 is 33140285082.

28058204133 is a `hidden beast` number, since 2 + 8 + 0 + 582 + 0 + 41 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17180131329 + 10878072804 = 131073^2 + 104298^2 .

It is not a de Polignac number, because 28058204133 - 21 = 28058204131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28058204131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1558789110 + ... + 1558789127.

It is an arithmetic number, because the mean of its divisors is an integer number (6754752849).

Almost surely, 228058204133 is an apocalyptic number.

It is an amenable number.

28058204133 is a deficient number, since it is larger than the sum of its proper divisors (12470312961).

28058204133 is a wasteful number, since it uses less digits than its factorization.

28058204133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117578243 (or 3117578240 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 28058204133 in words is "twenty-eight billion, fifty-eight million, two hundred four thousand, one hundred thirty-three".

Divisors: 1 3 9 3117578237 9352734711 28058204133