Search a number
-
+
28194845283 = 331194932139
BaseRepresentation
bin11010010000100010…
…110011001001100011
32200202221120112122000
4122100202303021203
5430220340022113
620541425215043
72015460142053
oct322042631143
980687515560
1028194845283
1110a59289630
12556a491483
1328743bba07
1415167cd563
15b00403373
hex6908b3263

28194845283 has 16 divisors (see below), whose sum is σ = 45567427200. Its totient is φ = 17087784840.

The previous prime is 28194845269. The next prime is 28194845347. The reversal of 28194845283 is 38254849182.

28194845283 is a `hidden beast` number, since 2 + 81 + 9 + 484 + 5 + 2 + 83 = 666.

It is not a de Polignac number, because 28194845283 - 220 = 28193796707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28194845213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47465773 + ... + 47466366.

It is an arithmetic number, because the mean of its divisors is an integer number (2847964200).

Almost surely, 228194845283 is an apocalyptic number.

28194845283 is a deficient number, since it is larger than the sum of its proper divisors (17372581917).

28194845283 is a wasteful number, since it uses less digits than its factorization.

28194845283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94932159 (or 94932153 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The spelling of 28194845283 in words is "twenty-eight billion, one hundred ninety-four million, eight hundred forty-five thousand, two hundred eighty-three".

Divisors: 1 3 9 11 27 33 99 297 94932139 284796417 854389251 1044253529 2563167753 3132760587 9398281761 28194845283