Search a number
-
+
28173200764 = 2262501112691
BaseRepresentation
bin11010001111010000…
…001110110101111100
32200201102211212221011
4122033100032311330
5430144314411024
620535333245004
72015105153362
oct321720166574
980642755834
1028173200764
1110a480457a5
125563193764
13286ca80bc7
141513997632
15aed57a094
hex68f40ed7c

28173200764 has 12 divisors (see below), whose sum is σ = 49304327688. Its totient is φ = 14086250000.

The previous prime is 28173200707. The next prime is 28173200771. The reversal of 28173200764 is 46700237182.

It is a congruent number.

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, 193659 + ... + 306349.

It is an arithmetic number, because the mean of its divisors is an integer number (4108693974).

Almost surely, 228173200764 is an apocalyptic number.

It is an amenable number.

28173200764 is a deficient number, since it is larger than the sum of its proper divisors (21131126924).

28173200764 is a wasteful number, since it uses less digits than its factorization.

28173200764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175196 (or 175194 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 28173200764 in words is "twenty-eight billion, one hundred seventy-three million, two hundred thousand, seven hundred sixty-four".

Divisors: 1 2 4 62501 112691 125002 225382 250004 450764 7043300191 14086600382 28173200764